diff --git "a/data/rico/stage2/finetune/test.json" "b/data/rico/stage2/finetune/test.json"
deleted file mode 100644--- "a/data/rico/stage2/finetune/test.json"
+++ /dev/null
@@ -1,17304 +0,0 @@
-[
-  {
-    "text": "a page for end user license agreement. on the top, there is a toolbar with a text button for the back on the left and a text in the middle. below is a text button for the end user license agreement. in the middle, there is a text occupying most of the page.",
-    "region_id": "11323",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:text button [attr:position'left'] ] [el:text] ] ] [el:text button] [el:text [attr:size'large'] ] ]",
-    "execution": "singleinfo : text undefined large | text button undefined undefined | [ toolbar top undefined | text undefined undefined | text button left undefined ]",
-    "layout_seq_with_completion": "text 0 12 144 9 | text 8 54 127 149 | text button 7 31 130 10 | text button 3 10 28 13",
-    "layout_seq_without_completion": "text 0 12 144 9 | text 8 54 127 149 | text button 7 31 130 10 | text button 3 10 28 13",
-    "plain_layout_seq": "text 0 12 144 9 | text 8 54 127 149 | text button 7 31 130 10 | text button 3 10 28 13",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "text button",
-        "position": [
-          70,
-          312,
-          1300,
-          105
-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          35,
-          109,
-          280,
-          125
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          0,
-          129,
-          1440,
-          85
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          88,
-          540,
-          1264,
-          1491
-        ]
-      }
-    ]
-  },
-  {
-    "text": "this is a page for the profile photo. on the top, there are two icons and one text between them. below, there are two texts. in the middle of the page, there is an image . at the bottom, there is one text for users to update in settings.",
-    "region_id": "13117",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:icon [attr:position'top']] [el:icon [attr:position'top']] [el:text [attr:position'top']] [el:text] [el:text] [el:image] [el:text [attr:position'bottom']] ]",
-    "execution": "singleinfo : icon top undefined | icon top undefined | image undefined undefined | text top undefined | text bottom undefined | text undefined undefined | text undefined undefined",
-    "layout_seq_with_completion": "icon 0 8 19 20 | icon 124 8 20 20 | image 45 73 53 53 | image 91 119 7 7 | text 19 8 43 20 | text 0 49 144 11 | text 0 60 144 6 | text 31 229 81 10",
-    "layout_seq_without_completion": "icon 0 8 19 20 | icon 124 8 20 20 | image 45 73 53 53 | image 91 119 7 7 | text 19 8 43 20 | text 0 49 144 11 | text 0 60 144 6 | text 31 229 81 10",
-    "plain_layout_seq": "icon 0 8 19 20 | icon 124 8 20 20 | image 45 73 53 53 | image 91 119 7 7 | text 19 8 43 20 | text 0 49 144 11 | text 0 60 144 6 | text 31 229 81 10",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "icon",
-        "position": [
-          0,
-          84,
-          196,
-          196
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          196,
-          84,
-          425,
-          196
-        ]
-      },
-      {
-        "type": "icon",
-        "position": [
-          1244,
-          84,
-          196,
-          196
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          0,
-          490,
-          1440,
-          112
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          0,
-          602,
-          1440,
-          66
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          316,
-          2295,
-          808,
-          97
-        ]
-      },
-      {
-        "type": "image",
-        "position": [
-          454,
-          735,
-          532,
-          532
-        ]
-      },
-      {
-        "type": "image",
-        "position": [
-          916,
-          1197,
-          70,
-          70
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a page about charging settings. at the top of the page, there is a toolbar. in the toolbar, there is text and an icon for users to switch to the last page. under the toolbar, there is a text button for users to turn on or off the charging alert.",
-    "region_id": "8643",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:icon] [el:text] ] ] [el:text button] ]",
-    "execution": "singleinfo : text button undefined undefined | [ toolbar top undefined | icon undefined undefined | text undefined undefined ]",
-    "layout_seq_with_completion": "text button 7 35 130 9 | [ toolbar 0 8 144 20 | icon 0 8 19 20 | text 25 13 56 9 ]",
-    "layout_seq_without_completion": "text button 7 35 130 9 | [ toolbar 0 8 144 20 | icon 0 8 19 20 | text 25 13 56 9 ]",
-    "plain_layout_seq": "icon 0 8 19 20 | text 25 13 56 9 | text button 7 35 130 9 | toolbar 0 8 144 20",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "text",
-        "position": [
-          252,
-          135,
-          560,
-          93
-        ]
-      },
-      {
-        "type": "icon",
-        "position": [
-          0,
-          84,
-          196,
-          196
-        ]
-      },
-      {
-        "type": "toolbar",
-        "position": [
-          0,
-          84,
-          1440,
-          196
-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          70,
-          350,
-          1300,
-          95
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a page for users to share the code to let people join the group. on the top of the page, there is a toolbar with an icon and one text on the left and two icons on the right. below them are two text buttons with one text. the lower text button is used to share the code.",
-    "region_id": "9644",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:icon [attr:position'left']] [el:text [attr:position'left']] [el:icon [attr:position'right']] [el:icon [attr:position'right']] ] ] [el:text button] [el:text button] [el:text] ]",
-    "execution": "singleinfo : text undefined undefined | text button undefined undefined | text button undefined undefined | [ toolbar top undefined | icon left undefined | icon right undefined | icon right undefined | text left undefined ]",
-    "layout_seq_with_completion": "text 3 79 137 6 | text 14 42 126 12 | text button 3 31 137 11 | text button 3 57 137 15 | [ toolbar 0 8 144 20 | icon 0 8 19 20 | icon 113 9 17 17 | icon 130 9 14 17 | text 21 13 23 9 ]",
-    "layout_seq_without_completion": "text 3 79 137 6 | text 14 42 126 12 | text button 3 31 137 11 | text button 3 57 137 15 | [ toolbar 0 8 144 20 | icon 0 8 19 20 | icon 113 9 17 17 | icon 130 9 14 17 | text 21 13 23 9 ]",
-    "plain_layout_seq": "icon 0 8 19 20 | icon 113 9 17 17 | icon 130 9 14 17 | text 3 79 137 6 | text 14 42 126 12 | text 21 13 23 9 | text button 3 31 137 11 | text button 3 57 137 15 | toolbar 0 8 144 20",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "text",
-        "position": [
-          210,
-          135,
-          233,
-          93
-        ]
-      },
-      {
-        "type": "icon",
-        "position": [
-          0,
-          84,
-          196,
-          196
-        ]
-      },
-      {
-        "type": "icon",
-        "position": [
-          1132,
-          98,
-          168,
-          168
-        ]
-      },
-      {
-        "type": "icon",
-        "position": [
-          1300,
-          98,
-          140,
-          168
-        ]
-      },
-      {
-        "type": "toolbar",
-        "position": [
-          0,
-          84,
-          1440,
-          196
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          35,
-          791,
-          1370,
-          66
-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          35,
-          315,
-          1370,
-          112
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          147,
-          427,
-          1258,
-          114
-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          35,
-          576,
-          1370,
-          145
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a page for the content of exodus. on the top, there is a web view with an advertisement. below is a big web view showing the content of the exodus.",
-    "region_id": "11504",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:web view [attr:position'top']] [el:advertisement [attr:position'top']] [el:web view [attr:size'large'] ] ]",
-    "execution": "singleinfo : advertisement top undefined | web view top undefined | web view undefined large",
-    "layout_seq_with_completion": "web view 0 17 144 222 | web view 0 0 144 17",
-    "layout_seq_without_completion": "web view 0 17 144 222 | web view 0 0 144 17",
-    "plain_layout_seq": "web view 0 17 144 222 | web view 0 0 144 17",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "web view",
-        "position": [
-          0,
-          175,
-          1440,
-          2217
-        ]
-      },
-      {
-        "type": "web view",
-        "position": [
-          0,
-          0,
-          1440,
-          175
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a page for connecting users' instagram. on the top, there is a toolbar with a text button on the right. in the middle, there is an image. below, there are two texts. on the bottom, there is a text button for connecting to instagram.",
-    "region_id": "1534",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:text button [attr:position'right']] ] ] [el:image] [el:text] [el:text] [el:text button [attr:position'bottom']] ]",
-    "execution": "singleinfo : image undefined undefined | text undefined undefined | text undefined undefined | text button bottom undefined | [ toolbar top undefined | text button right undefined ]",
-    "layout_seq_with_completion": "image 51 57 41 41 | text 22 115 99 26 | text 11 147 121 16 | text button 5 216 133 17 | [ toolbar 0 8 144 20 | text button 127 9 17 17 ]",
-    "layout_seq_without_completion": "image 51 57 41 41 | text 22 115 99 26 | text 11 147 121 16 | text button 5 216 133 17 | [ toolbar 0 8 144 20 | text button 127 9 17 17 ]",
-    "plain_layout_seq": "image 51 57 41 41 | text 22 115 99 26 | text 11 147 121 16 | text button 5 216 133 17 | text button 127 9 17 17 | toolbar 0 8 144 20",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "text button",
-        "position": [
-          1272,
-          98,
-          168,
-          168
-        ]
-      },
-      {
-        "type": "toolbar",
-        "position": [
-          0,
-          84,
-          1440,
-          196
-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          56,
-          2168,
-          1328,
-          168
-        ]
-      },
-      {
-        "type": "image",
-        "position": [
-          513,
-          573,
-          413,
-          413
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          224,
-          1154,
-          992,
-          263
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          112,
-          1473,
-          1216,
-          163
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a page for querying the temperature of cities. one the top, there are two texts and one input and there are three buttons under them. below, there is a text that occupies most of the page, where users can click refresh. at the bottom of the page, there is one text with an icon.",
-    "region_id": "2769",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:text [attr:repeat'2'] [attr:position'top'] ] [el:input [attr:position'top'] ] [el:text button [attr:repeat'3']] [el:text [attr:size'large'] ] [el:text [attr:position'bottom']] [el:icon [attr:position'bottom']] ]",
-    "execution": "singleinfo : icon bottom undefined | input top undefined | text top undefined | text top undefined | text bottom undefined | text undefined large | text button undefined undefined | text button undefined undefined | text button undefined undefined",
-    "layout_seq_with_completion": "icon 31 226 9 9 | input 6 9 113 13 | text 8 24 59 8 | text 0 73 144 149 | text 8 0 13 9 | text 31 224 81 13 | text button 18 32 20 17 | text button 105 32 20 17 | text button 62 32 19 17",
-    "layout_seq_without_completion": "icon 31 226 9 9 | input 6 9 113 13 | text 8 24 59 8 | text 0 73 144 149 | text 8 0 13 9 | text 31 224 81 13 | text button 18 32 20 17 | text button 105 32 20 17 | text button 62 32 19 17",
-    "plain_layout_seq": "icon 31 226 9 9 | input 6 9 113 13 | text 8 24 59 8 | text 0 73 144 149 | text 8 0 13 9 | text 31 224 81 13 | text button 18 32 20 17 | text button 105 32 20 17 | text button 62 32 19 17",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "text",
-        "position": [
-          0,
-          732,
-          1440,
-          1495
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          81,
-          7,
-          133,
-          84
-        ]
-      },
-      {
-        "type": "input",
-        "position": [
-          68,
-          91,
-          1124,
-          135
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          81,
-          244,
-          589,
-          84
-        ]
-      },
-      {
-        "type": "icon",
-        "position": [
-          318,
-          2266,
-          88,
-          86
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          318,
-          2244,
-          804,
-          130
-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          187,
-          328,
-          196,
-          165
-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          621,
-          328,
-          196,
-          165
-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          1056,
-          328,
-          196,
-          165
-        ]
-      }
-    ]
-  },
-  {
-    "text": "this is a page for the date. on the top, there is a text button.",
-    "region_id": "7581",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:text button [attr:position'top'] ] ]",
-    "execution": "singleinfo : text button top undefined",
-    "layout_seq_with_completion": "text button 0 8 144 15",
-    "layout_seq_without_completion": "text button 0 8 144 15",
-    "plain_layout_seq": "text button 0 8 144 15",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "text button",
-        "position": [
-          0,
-          84,
-          1440,
-          153
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a page is for searching trains. on the top, there is one toolbar with one icon and one text in it. below are three inputs, where users can enter start and end location and choose date. and there is one icon in the middle of the first two inputs. following is one text button. at the bottom, there is one advertisement.",
-    "region_id": "2085",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:icon] [el:text] ] ] [el:input [attr:repeat'2'] ] [el:icon] [el:text button] [el:advertisement [attr:position'bottom'] ] ]",
-    "execution": "singleinfo : advertisement bottom undefined | icon undefined undefined | input undefined undefined | input undefined undefined | text button undefined undefined | [ toolbar top undefined | icon undefined undefined | text undefined undefined ]",
-    "layout_seq_with_completion": "advertisement 16 221 112 18 | icon 114 46 13 13 | input 2 35 139 17 | input 2 73 139 18 | input 2 54 139 17 | text button 2 92 139 18 | [ toolbar 0 8 144 20 | icon 0 8 19 20 | text 21 13 41 9 ]",
-    "layout_seq_without_completion": "advertisement 16 221 112 18 | icon 114 46 13 13 | input 2 35 139 17 | input 2 73 139 18 | input 2 54 139 17 | text button 2 92 139 18 | [ toolbar 0 8 144 20 | icon 0 8 19 20 | text 21 13 41 9 ]",
-    "plain_layout_seq": "advertisement 16 221 112 18 | icon 114 46 13 13 | icon 0 8 19 20 | input 2 35 139 17 | input 2 73 139 18 | input 2 54 139 17 | text 21 13 41 9 | text button 2 92 139 18 | toolbar 0 8 144 20",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "text",
-        "position": [
-          210,
-          135,
-          413,
-          93
-        ]
-      },
-      {
-        "type": "icon",
-        "position": [
-          0,
-          84,
-          196,
-          196
-        ]
-      },
-      {
-        "type": "toolbar",
-        "position": [
-          0,
-          84,
-          1440,
-          196
-        ]
-      },
-      {
-        "type": "input",
-        "position": [
-          28,
-          736,
-          1384,
-          175
-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          28,
-          929,
-          1384,
-          175
-        ]
-      },
-      {
-        "type": "advertisement",
-        "position": [
-          160,
-          2217,
-          1120,
-          175
-        ]
-      },
-      {
-        "type": "input",
-        "position": [
-          28,
-          350,
-          1384,
-          175
-        ]
-      },
-      {
-        "type": "input",
-        "position": [
-          28,
-          543,
-          1384,
-          175
-        ]
-      },
-      {
-        "type": "icon",
-        "position": [
-          1143,
-          469,
-          129,
-          129
-        ]
-      }
-    ]
-  },
-  {
-    "text": "the page is used to import friends' birthdays. on top of the page, there is one text followed by an image. below the image are two entries of the text button to import the friends' birthdays or skip, followed by an entry of the text.",
-    "region_id": "4726",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:text [attr:position'top'] ] [el:image] [el:text button[attr:repeat'2']] [el:text]]",
-    "execution": "singleinfo : image undefined undefined | text top undefined | text undefined undefined | text button undefined undefined | text button undefined undefined",
-    "layout_seq_with_completion": "image 33 32 77 77 | text 26 8 91 17 | text 7 162 130 13 | text button 24 120 95 14 | text button 24 145 95 14",
-    "layout_seq_without_completion": "image 33 32 77 77 | text 26 8 91 17 | text 7 162 130 13 | text button 24 120 95 14 | text button 24 145 95 14",
-    "plain_layout_seq": "image 33 32 77 77 | text 26 8 91 17 | text 7 162 130 13 | text button 24 120 95 14 | text button 24 145 95 14",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "text",
-        "position": [
-          264,
-          84,
-          912,
-          172
-        ]
-      },
-      {
-        "type": "image",
-        "position": [
-          335,
-          326,
-          770,
-          770
-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          247,
-          1201,
-          945,
-          144
-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          247,
-          1450,
-          945,
-          144
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          70,
-          1629,
-          1300,
-          123
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a page for showing the warning and disclaimer. there is a modal on the page with one text on its top and the other text for showing the content, which occupies most of the modal.",
-    "region_id": "8008",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:modal [item [el:text [attr:position'top'] ] [el:text [attr:size'large'] ] ] ] ]",
-    "execution": "singleinfo : [ modal undefined undefined | text top undefined | text undefined large ]",
-    "layout_seq_with_completion": "[ modal 3 8 137 231 | text 14 17 115 10 | text 9 34 125 164 | text button 11 200 68 11 | text button 26 216 42 17 | text button 68 216 49 17 ]",
-    "layout_seq_without_completion": "[ modal 3 8 137 231 | text 14 17 115 10 | text 9 34 125 164 | text button 11 200 68 11 | text button 26 216 42 17 | text button 68 216 49 17 ]",
-    "plain_layout_seq": "modal 3 8 137 231 | text 14 17 115 10 | text 9 34 125 164 | text button 11 200 68 11 | text button 26 216 42 17 | text button 68 216 49 17",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "text",
-        "position": [
-          148,
-          172,
-          1144,
-          103
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          92,
-          343,
-          1256,
-          1643
-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          113,
-          2007,
-          684,
-          112
-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          264,
-          2168,
-          420,
-          168
-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          684,
-          2168,
-          491,
-          168
-        ]
-      },
-      {
-        "type": "modal",
-        "position": [
-          36,
-          84,
-          1368,
-          2308
-        ]
-      }
-    ]
-  },
-  {
-    "text": "this is a page for splashtop. on the top, there is a toolbar with an image. below, there is one text and an image. in the middle, there is an image and a text button under it.",
-    "region_id": "5400",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:image] ] ] [el:text] [el:image] [el:image] [el:text button] ]",
-    "execution": "singleinfo : image undefined undefined | image undefined undefined | text undefined undefined | text button undefined undefined | [ toolbar top undefined | image undefined undefined ]",
-    "layout_seq_with_completion": "image 20 84 103 0 | image 24 102 95 56 | text 20 59 103 21 | text button 45 183 53 17 | [ toolbar 0 8 144 20 | image 5 14 61 7 ]",
-    "layout_seq_without_completion": "image 20 84 103 0 | image 24 102 95 56 | text 20 59 103 21 | text button 45 183 53 17 | [ toolbar 0 8 144 20 | image 5 14 61 7 ]",
-    "plain_layout_seq": "image 20 84 103 0 | image 24 102 95 56 | image 5 14 61 7 | text 20 59 103 21 | text button 45 183 53 17 | toolbar 0 8 144 20",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
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-        "type": "text",
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-      },
-      {
-        "type": "text button",
-        "position": [
-          457,
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-      }
-    ]
-  },
-  {
-    "text": "a page showing the terms of an app. there is a modal in the upper half of the page with five rows of texts placed on top of each other.",
-    "region_id": "12468",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:modal [item [el:text [attr:repeat'5'] ] ] ] ]",
-    "execution": "singleinfo : [ modal undefined undefined | text undefined undefined | text undefined undefined | text undefined undefined | text undefined undefined | text undefined undefined ]",
-    "layout_seq_with_completion": "[ modal 80 24 16 51 | icon 81 24 14 6 | text 84 39 8 7 | text 84 46 8 7 | text 84 33 8 6 | text 84 53 8 6 | text 84 59 8 7 ]",
-    "layout_seq_without_completion": "[ modal 80 24 16 51 | icon 81 24 14 6 | text 84 39 8 7 | text 84 46 8 7 | text 84 33 8 6 | text 84 53 8 6 | text 84 59 8 7 ]",
-    "plain_layout_seq": "icon 81 24 14 6 | modal 80 24 16 51 | text 84 39 8 7 | text 84 46 8 7 | text 84 33 8 6 | text 84 53 8 6 | text 84 59 8 7",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
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-      {
-        "type": "modal",
-        "position": [
-          807,
-          242,
-          155,
-          510
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-      }
-    ]
-  },
-  {
-    "text": "a page for searching. on the top, there is an icon on the two sides. on the upper page, there is a text button for searching with an icon on the left and an image on the right. on the bottom, there are two side-by-side texts with an icon on their left.",
-    "region_id": "3252",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:icon [attr:position'top'] [attr:repeat'2'] ] [el:text button] [el:icon [attr:position'left'] ] [el:image [attr:position'right'] ] [el:text [attr:repeat'2'] [attr:position'bottom'] ] [el:icon [attr:repeat'2'] [attr:position'bottom'] ] ]",
-    "execution": "singleinfo : icon top undefined | icon top undefined | icon bottom undefined | icon bottom undefined | icon left undefined | image right undefined | text bottom undefined | text bottom undefined | text button undefined undefined",
-    "layout_seq_with_completion": "icon 128 10 16 15 | icon 21 222 8 9 | icon 0 10 15 15 | icon 5 60 15 18 | icon 86 222 8 9 | image 116 60 22 18 | text 96 224 33 5 | text 31 224 21 5 | text button 5 60 111 18",
-    "layout_seq_without_completion": "icon 128 10 16 15 | icon 21 222 8 9 | icon 0 10 15 15 | icon 5 60 15 18 | icon 86 222 8 9 | image 116 60 22 18 | text 96 224 33 5 | text 31 224 21 5 | text button 5 60 111 18",
-    "plain_layout_seq": "icon 128 10 16 15 | icon 21 222 8 9 | icon 0 10 15 15 | icon 5 60 15 18 | icon 86 222 8 9 | image 116 60 22 18 | text 96 224 33 5 | text 31 224 21 5 | text button 5 60 111 18",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
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-      },
-      {
-        "type": "image",
-        "position": [
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-      },
-      {
-        "type": "text button",
-        "position": [
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-      {
-        "type": "icon",
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-      },
-      {
-        "type": "icon",
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-          214,
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-      },
-      {
-        "type": "text",
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-        "type": "icon",
-        "position": [
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-      },
-      {
-        "type": "text",
-        "position": [
-          965,
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-          326,
-          53
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-      }
-    ]
-  },
-  {
-    "text": "a registration page for an app. there is a long text with a small icon on the left side. below that, there are five rows of inputs where users type in their personal information like name. at the lower portion of the page, there is a text button, which is an option for continuation.",
-    "region_id": "1080",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:text [attr:size'large'] ] [el:icon [attr:size'small'][attr:position'left'] ] [el:input[attr:repeat'5']] [el:text button[attr:position'bottom']] ]",
-    "execution": "singleinfo : icon left small | input undefined undefined | input undefined undefined | input undefined undefined | input undefined undefined | input undefined undefined | text undefined large | text button bottom undefined",
-    "layout_seq_with_completion": "icon 121 17 14 14 | input 8 45 127 13 | input 8 72 127 12 | input 8 98 127 12 | input 8 124 127 13 | input 8 151 127 10 | text 8 17 113 14 | text button 8 179 127 23",
-    "layout_seq_without_completion": "icon 121 17 14 14 | input 8 45 127 13 | input 8 72 127 12 | input 8 98 127 12 | input 8 124 127 13 | input 8 151 127 10 | text 8 17 113 14 | text button 8 179 127 23",
-    "plain_layout_seq": "icon 121 17 14 14 | input 8 45 127 13 | input 8 72 127 12 | input 8 98 127 12 | input 8 124 127 13 | input 8 151 127 10 | text 8 17 113 14 | text button 8 179 127 23",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
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-        "type": "icon",
-        "position": [
-          1217,
-          178,
-          135,
-          134
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a page for users to log in to an app of a discount shop. on the top of the page, there is one toolbar with one icon on the left and one text. the following is one big background image with one image and two texts, which occupies most of the page and is used to introduce the discount. at the bottom of the background image, there is one text button for users to log in.",
-    "region_id": "12416",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'][item [el:icon[attr:position'left']] [el:text] ] ] [el:background image [attr:size'large'] ] [el:image[attr:size'large']] [el:text[attr:repeat'2']] [el:text button[attr:position'bottom']] ]",
-    "execution": "singleinfo : background image undefined large | image undefined large | text undefined undefined | text undefined undefined | text button bottom undefined | [ toolbar top undefined | icon left undefined | text undefined undefined ]",
-    "layout_seq_with_completion": "background image 0 28 144 211 | image 0 28 144 72 | text 19 105 106 7 | text 5 116 133 11 | text button 5 214 133 14 | [ toolbar 0 8 144 20 | icon 0 8 19 20 | text 21 13 72 9 ]",
-    "layout_seq_without_completion": "background image 0 28 144 211 | image 0 28 144 72 | text 19 105 106 7 | text 5 116 133 11 | text button 5 214 133 14 | [ toolbar 0 8 144 20 | icon 0 8 19 20 | text 21 13 72 9 ]",
-    "plain_layout_seq": "background image 0 28 144 211 | icon 0 8 19 20 | image 0 28 144 72 | text 19 105 106 7 | text 5 116 133 11 | text 21 13 72 9 | text button 5 214 133 14 | toolbar 0 8 144 20",
-    "canvas_width": 1440,
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-        "type": "toolbar",
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-      },
-      {
-        "type": "background image",
-        "position": [
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-      {
-        "type": "image",
-        "position": [
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-      },
-      {
-        "type": "text button",
-        "position": [
-          53,
-          2143,
-          1334,
-          140
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-      }
-    ]
-  },
-  {
-    "text": "a page to have color-blindness test. on the top, there is a toolbar with one text on the left and a small icon on the right. below the toolbar, there is an image showing a picture of the test. below is one text to tell users to input the number they see on the image. below the text are two entries of radio buttons used for users to choose whether they can see the number or not. there is an input on the right of the first radio button used to enter the number users can see. below them, there is a text button used to switch to the next text.",
-    "region_id": "5900",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:text [attr:position'left'] ] [el:icon [attr:size'small'] [attr:position'right'] ] ] ] [el:image] [el:text] [el:radio button [attr:repeat'2'] ] [el:input [attr:position'right']] [el:text button] ]",
-    "execution": "singleinfo : image undefined undefined | input right undefined | radio button undefined undefined | radio button undefined undefined | text undefined undefined | text button undefined undefined | [ toolbar top undefined | icon right small | text left undefined ]",
-    "layout_seq_with_completion": "image 37 30 70 70 | input 94 113 25 15 | radio button 24 113 65 11 | radio button 24 124 68 11 | text 25 103 93 7 | text button 55 135 33 17 | [ toolbar 0 8 144 20 | icon 130 9 14 17 | text 5 13 63 9 ]",
-    "layout_seq_without_completion": "image 37 30 70 70 | input 94 113 25 15 | radio button 24 113 65 11 | radio button 24 124 68 11 | text 25 103 93 7 | text button 55 135 33 17 | [ toolbar 0 8 144 20 | icon 130 9 14 17 | text 5 13 63 9 ]",
-    "plain_layout_seq": "icon 130 9 14 17 | image 37 30 70 70 | input 94 113 25 15 | radio button 24 113 65 11 | radio button 24 124 68 11 | text 25 103 93 7 | text 5 13 63 9 | text button 55 135 33 17 | toolbar 0 8 144 20",
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-      },
-      {
-        "type": "toolbar",
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-        "position": [
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-      },
-      {
-        "type": "text",
-        "position": [
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-      },
-      {
-        "type": "text button",
-        "position": [
-          551,
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-          338,
-          168
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-      },
-      {
-        "type": "input",
-        "position": [
-          948,
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-      },
-      {
-        "type": "radio button",
-        "position": [
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-      },
-      {
-        "type": "radio button",
-        "position": [
-          246,
-          1242,
-          674,
-          112
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a page to enter the phone number for checkout. on the top, there is a toolbar with an icon and text on the left. below on the left, there is an image. below in the middle is also an image with one text below it. the following are two inputs to enter the phone number.",
-    "region_id": "10482",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:icon] [el:text] ] ] [el:image [attr:position'left'] ] [el:image] [el:text] [el:input [attr:repeat'2'] ] ]",
-    "execution": "singleinfo : image left undefined | image undefined undefined | input undefined undefined | input undefined undefined | text undefined undefined | [ toolbar top undefined | icon undefined undefined | text undefined undefined ]",
-    "layout_seq_with_completion": "image 0 28 22 22 | image 51 45 42 42 | input 7 117 130 18 | input 7 123 130 10 | text 17 94 109 16 | [ toolbar 0 8 144 20 | icon 0 8 19 20 | text 25 14 50 8 ]",
-    "layout_seq_without_completion": "image 0 28 22 22 | image 51 45 42 42 | input 7 117 130 18 | input 7 123 130 10 | text 17 94 109 16 | [ toolbar 0 8 144 20 | icon 0 8 19 20 | text 25 14 50 8 ]",
-    "plain_layout_seq": "icon 0 8 19 20 | image 0 28 22 22 | image 51 45 42 42 | input 7 117 130 18 | input 7 123 130 10 | text 17 94 109 16 | text 25 14 50 8 | toolbar 0 8 144 20",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "icon",
-        "position": [
-          0,
-          84,
-          196,
-          196
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          252,
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-          498,
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-        ]
-      },
-      {
-        "type": "toolbar",
-        "position": [
-          0,
-          84,
-          1440,
-          196
-        ]
-      },
-      {
-        "type": "image",
-        "position": [
-          0,
-          280,
-          224,
-          224
-        ]
-      },
-      {
-        "type": "image",
-        "position": [
-          510,
-          455,
-          420,
-          420
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          175,
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-          1090,
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-        ]
-      },
-      {
-        "type": "input",
-        "position": [
-          70,
-          1239,
-          1300,
-          96
-        ]
-      },
-      {
-        "type": "input",
-        "position": [
-          70,
-          1173,
-          1300,
-          180
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a page for favorites manga. one the top, there is a toolbar with an image on the left, an icon on the right, and a button between them. below, there are three buttons called manga, original, and community. there is one text in the middle of the page.",
-    "region_id": "1290",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:image] [el:icon] [el:text button] ] ] [el:radio button [attr:repeat'3'] ] [el:text] ]",
-    "execution": "singleinfo : radio button undefined undefined | radio button undefined undefined | radio button undefined undefined | text undefined undefined | [ toolbar top undefined | icon undefined undefined | image undefined undefined | text button undefined undefined ]",
-    "layout_seq_with_completion": "icon 129 10 13 9 | image 0 8 14 13 | radio button 0 21 47 14 | radio button 48 21 47 14 | radio button 96 21 48 14 | text 36 111 71 52 | text button 15 9 111 11",
-    "layout_seq_without_completion": "icon 129 10 13 9 | image 0 8 14 13 | radio button 0 21 47 14 | radio button 48 21 47 14 | radio button 96 21 48 14 | text 36 111 71 52 | text button 15 9 111 11",
-    "plain_layout_seq": "icon 129 10 13 9 | image 0 8 14 13 | radio button 0 21 47 14 | radio button 48 21 47 14 | radio button 96 21 48 14 | text 36 111 71 52 | text button 15 9 111 11",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "text button",
-        "position": [
-          159,
-          96,
-          1104,
-          108
-        ]
-      },
-      {
-        "type": "image",
-        "position": [
-          0,
-          84,
-          141,
-          132
-        ]
-      },
-      {
-        "type": "icon",
-        "position": [
-          1299,
-          102,
-          123,
-          96
-        ]
-      },
-      {
-        "type": "radio button",
-        "position": [
-          0,
-          216,
-          476,
-          142
-        ]
-      },
-      {
-        "type": "radio button",
-        "position": [
-          483,
-          216,
-          475,
-          142
-        ]
-      },
-      {
-        "type": "radio button",
-        "position": [
-          965,
-          216,
-          475,
-          142
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          362,
-          1118,
-          716,
-          514
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a page showing the data of a package. there is a long text with a small text button under it at the top of the page. below the text button, there is a large web view showing the data.",
-    "region_id": "6476",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:text [attr:size'large'] [attr:position'top'] ] [el:text button [attr:size'small'] ] [el:web view [attr:size'large'] ] ]",
-    "execution": "singleinfo : text top large | text button undefined small | web view undefined large",
-    "layout_seq_with_completion": "text 1 8 141 8 | text button 0 17 32 17 | web view 0 34 144 205",
-    "layout_seq_without_completion": "text 1 8 141 8 | text button 0 17 32 17 | web view 0 34 144 205",
-    "plain_layout_seq": "text 1 8 141 8 | text button 0 17 32 17 | web view 0 34 144 205",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "text",
-        "position": [
-          14,
-          86,
-          1412,
-          81
-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          0,
-          172,
-          328,
-          168
-        ]
-      },
-      {
-        "type": "web view",
-        "position": [
-          0,
-          340,
-          1440,
-          2052
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a page for account recovery of the app werner driver. the whole page is a background image. on the top, there are two entries of texts. below are two entries of inputs to enter employee number and home zip code. below the input on the right, there is two text buttons side by side. at the bottom of the page, there is a text button used for the user who is not a werner or employee.",
-    "region_id": "2348",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:background image [attr:size'large']] [el:text [attr:position'top'] [attr:repeat'2'] ] [el:input [attr:repeat'2']] [el:text button] [el:text button] [el:text button [attr:position'bottom']] ]",
-    "execution": "singleinfo : background image undefined large | input undefined undefined | input undefined undefined | text top undefined | text top undefined | text button bottom undefined | text button undefined undefined | text button undefined undefined",
-    "layout_seq_with_completion": "background image 0 8 144 231 | input 14 98 116 15 | input 14 116 116 16 | text 14 39 116 11 | text 15 57 113 35 | text button 17 206 109 17 | text button 71 140 31 17 | text button 102 140 31 17",
-    "layout_seq_without_completion": "background image 0 8 144 231 | input 14 98 116 15 | input 14 116 116 16 | text 14 39 116 11 | text 15 57 113 35 | text button 17 206 109 17 | text button 71 140 31 17 | text button 102 140 31 17",
-    "plain_layout_seq": "background image 0 8 144 231 | input 14 98 116 15 | input 14 116 116 16 | text 14 39 116 11 | text 15 57 113 35 | text button 17 206 109 17 | text button 71 140 31 17 | text button 102 140 31 17",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
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-        "type": "background image",
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-      },
-      {
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-      },
-      {
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-      },
-      {
-        "type": "input",
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-  {
-    "text": "a starting page of a search app. on the top middle, there is an image. the following is an image in the middle with a text below it. the following are two parallel texts with an icon on the left of the first text. below is a text with an icon on the left. on the lower middle, there are two parallel text buttons for terms and agreement.",
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-    "execution": "singleinfo : icon undefined undefined | icon undefined undefined | image top undefined | image undefined undefined | text undefined undefined | text undefined undefined | text undefined undefined | text undefined undefined | text button undefined undefined | text button undefined undefined",
-    "layout_seq_with_completion": "icon 4 86 10 7 | icon 4 117 10 9 | image 21 16 101 12 | image 60 38 23 23 | text 14 117 46 7 | text 4 69 135 11 | text 17 86 125 12 | text 17 98 125 12 | text button 46 166 51 11 | text button 15 182 113 14",
-    "layout_seq_without_completion": "icon 4 86 10 7 | icon 4 117 10 9 | image 21 16 101 12 | image 60 38 23 23 | text 14 117 46 7 | text 4 69 135 11 | text 17 86 125 12 | text 17 98 125 12 | text button 46 166 51 11 | text button 15 182 113 14",
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-  {
-    "text": "a page is for video recording. in the upper left corner, there is one text button. in the upper half of the page, there are one icon between two images, where users can edit videos. in the lower half of the page, there are five text buttons, where users can change the speed of the videos. below them is one image, where users can click to start to record video.",
-    "region_id": "9815",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:text button] [el:icon] [el:image] [el:image] [el:text button] [el:text button] [el:text button] [el:text button] [el:text button] [el:image] ]",
-    "execution": "singleinfo : icon undefined undefined | image undefined undefined | image undefined undefined | image undefined undefined | text button undefined undefined | text button undefined undefined | text button undefined undefined | text button undefined undefined | text button undefined undefined | text button undefined undefined",
-    "layout_seq_with_completion": "icon 123 60 16 15 | image 54 200 35 35 | image 123 83 16 16 | image 123 36 16 16 | text button 18 178 21 14 | text button 0 8 17 17 | text button 39 178 22 14 | text button 61 178 21 14 | text button 82 178 22 14 | text button 104 178 21 14",
-    "layout_seq_without_completion": "icon 123 60 16 15 | image 54 200 35 35 | image 123 83 16 16 | image 123 36 16 16 | text button 18 178 21 14 | text button 0 8 17 17 | text button 39 178 22 14 | text button 61 178 21 14 | text button 82 178 22 14 | text button 104 178 21 14",
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-  },
-  {
-    "text": "a picture-displaying page of an app. there is a long toolbar with some items inside at the top of the page.",
-    "region_id": "8752",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:icon [attr:repeat'2']] [el:text [attr:repeat'2']]] ] ]",
-    "execution": "singleinfo : [ toolbar top undefined | icon undefined undefined | icon undefined undefined | text undefined undefined | text undefined undefined ]",
-    "layout_seq_with_completion": "[ toolbar 0 8 144 17 | icon 0 14 5 5 | icon 4 11 11 11 | icon 109 11 11 11 | icon 124 8 20 17 | text 18 17 30 6 | text 18 10 16 7 ]",
-    "layout_seq_without_completion": "[ toolbar 0 8 144 17 | icon 0 14 5 5 | icon 4 11 11 11 | icon 109 11 11 11 | icon 124 8 20 17 | text 18 17 30 6 | text 18 10 16 7 ]",
-    "plain_layout_seq": "icon 0 14 5 5 | icon 4 11 11 11 | icon 109 11 11 11 | icon 124 8 20 17 | text 18 17 30 6 | text 18 10 16 7 | toolbar 0 8 144 17",
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-        "type": "toolbar",
-        "position": [
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-    ]
-  },
-  {
-    "text": "a page is used to log in or sign up for blackplanet. on the top, there is an image with two text buttons below it. the two text buttons are used to log in or sign up. below is a text. at the bottom of the page, there are three entries of text buttons used to choose to create account on blackplanet with facebook or email address or cancel to create an account. above them is a small text.",
-    "region_id": "771",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:image [attr:position'top'] ] [el:text button [attr:repeat'2'] ] [el:text] [el:text button [attr:position'bottom'] [attr:repeat'3'] ] [el:text [attr:size'small'] ] ]",
-    "execution": "singleinfo : image top undefined | text undefined small | text undefined undefined | text button bottom undefined | text button bottom undefined | text button bottom undefined | text button undefined undefined | text button undefined undefined",
-    "layout_seq_with_completion": "image 42 8 59 60 | text 42 108 59 16 | text 3 160 137 7 | text button 51 68 42 17 | text button 51 88 42 17 | text button 23 172 98 17 | text button 23 192 98 17 | text button 23 213 98 16",
-    "layout_seq_without_completion": "image 42 8 59 60 | text 42 108 59 16 | text 3 160 137 7 | text button 51 68 42 17 | text button 51 88 42 17 | text button 23 172 98 17 | text button 23 192 98 17 | text button 23 213 98 16",
-    "plain_layout_seq": "image 42 8 59 60 | text 42 108 59 16 | text 3 160 137 7 | text button 51 68 42 17 | text button 51 88 42 17 | text button 23 172 98 17 | text button 23 192 98 17 | text button 23 213 98 16",
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-    ]
-  },
-  {
-    "text": "a recommendation page for a fertility agency named ovia. there is a toolbar with a text button at the top of the page. and a web view, which extends from the top to the bottom, shows the information regarding that agency.",
-    "region_id": "4528",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:text button] ] ] [el:web view] ]",
-    "execution": "singleinfo : web view undefined undefined | [ toolbar top undefined | text button undefined undefined ]",
-    "layout_seq_with_completion": "web view 0 28 144 211 | [ toolbar 0 8 144 20 | icon 0 8 19 20 | text button 19 13 125 9 ]",
-    "layout_seq_without_completion": "web view 0 28 144 211 | [ toolbar 0 8 144 20 | icon 0 8 19 20 | text button 19 13 125 9 ]",
-    "plain_layout_seq": "icon 0 8 19 20 | text button 19 13 125 9 | toolbar 0 8 144 20 | web view 0 28 144 211",
-    "canvas_width": 1440,
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-        "type": "web view",
-        "position": [
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-    ]
-  },
-  {
-    "text": "a page for setup account. on the top of the page, there is one toolbar with one image in it. below is one image following two texts. in the middle of the page, there is one image with two texts in it. below is one text and one icon. users can press the icon to log in.",
-    "region_id": "11860",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:image] ] ] [el:image] [el:text] [el:text] [el:image] [el:text] [el:text] [el:text] [el:icon] ]",
-    "execution": "singleinfo : icon undefined undefined | image undefined undefined | image undefined undefined | text undefined undefined | text undefined undefined | text undefined undefined | text undefined undefined | text undefined undefined | [ toolbar top undefined | image undefined undefined ]",
-    "layout_seq_with_completion": "icon 47 184 49 15 | image 0 66 144 70 | image 29 23 85 14 | text 50 42 43 7 | text 23 53 97 10 | text 21 71 101 9 | text 32 86 82 36 | text 0 143 144 36 | [ toolbar 0 0 144 16 | image 36 4 71 8 ]",
-    "layout_seq_without_completion": "icon 47 184 49 15 | image 0 66 144 70 | image 29 23 85 14 | text 50 42 43 7 | text 23 53 97 10 | text 21 71 101 9 | text 32 86 82 36 | text 0 143 144 36 | [ toolbar 0 0 144 16 | image 36 4 71 8 ]",
-    "plain_layout_seq": "icon 47 184 49 15 | image 0 66 144 70 | image 29 23 85 14 | image 36 4 71 8 | text 50 42 43 7 | text 23 53 97 10 | text 21 71 101 9 | text 32 86 82 36 | text 0 143 144 36 | toolbar 0 0 144 16",
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-      }
-    ]
-  },
-  {
-    "text": "[a page is used for allowing notifications. on the top of the page, there is an image. following are two texts. next is one image with one text in it, which users can choose to allow notifications. below are two text buttons.",
-    "region_id": "14517",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:image [attr:position'top'] ] [el:text [attr:repeat'2'] ] [el:image] [el:text] [el:text button [attr:repeat'2'] ] ]",
-    "execution": "singleinfo : image top undefined | image undefined undefined | text undefined undefined | text undefined undefined | text undefined undefined | text button undefined undefined | text button undefined undefined",
-    "layout_seq_with_completion": "image 0 0 144 65 | image 4 132 135 14 | text 42 135 60 8 | text 4 78 135 25 | text 4 103 135 16 | text button 54 183 35 5 | text button 61 156 21 6",
-    "layout_seq_without_completion": "image 0 0 144 65 | image 4 132 135 14 | text 42 135 60 8 | text 4 78 135 25 | text 4 103 135 16 | text button 54 183 35 5 | text button 61 156 21 6",
-    "plain_layout_seq": "image 0 0 144 65 | image 4 132 135 14 | text 42 135 60 8 | text 4 78 135 25 | text 4 103 135 16 | text button 54 183 35 5 | text button 61 156 21 6",
-    "canvas_width": 1440,
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-  },
-  {
-    "text": "a starting page to get started the app. on the right top, there is a text button used to sign up for the app. below is a small image with a text below it. at the bottom of the page, there is a text button used to get started. above the text button is a text and image with a pager indicator below of them.",
-    "region_id": "2790",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:text button [attr:position'top'] ] [el:image [attr:size'small'] ] [el:text] [el:text] [el:image] [el:pager indicator] [el:text button [attr:position'bottom'] ] ]",
-    "execution": "singleinfo : image undefined small | image undefined undefined | pager indicator undefined undefined | text undefined undefined | text undefined undefined | text button top undefined | text button bottom undefined",
-    "layout_seq_with_completion": "image 43 45 57 15 | image 86 177 2 4 | pager indicator 60 186 23 8 | text 57 176 27 5 | text 21 68 101 22 | text button 111 8 33 18 | text button 30 210 83 18",
-    "layout_seq_without_completion": "image 43 45 57 15 | image 86 177 2 4 | pager indicator 60 186 23 8 | text 57 176 27 5 | text 21 68 101 22 | text button 111 8 33 18 | text button 30 210 83 18",
-    "plain_layout_seq": "image 43 45 57 15 | image 86 177 2 4 | pager indicator 60 186 23 8 | text 57 176 27 5 | text 21 68 101 22 | text button 111 8 33 18 | text button 30 210 83 18",
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-        "position": [
-          863,
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-    ]
-  },
-  {
-    "text": "a page for users to know the methods to stay connected in the app. there is an image and one text in the upper part of the page. on the second part of the page, there are two texts, two inputs, and two images, where users can choose different ways to stay connected. there is one text at the bottom of the page.",
-    "region_id": "13420",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:image] [el:text] [el:text] [el:text] [el:input] [el:input] [el:image] [el:image] [el:text [attr:position'bottom']] ]",
-    "execution": "singleinfo : image undefined undefined | image undefined undefined | image undefined undefined | input undefined undefined | input undefined undefined | text bottom undefined | text undefined undefined | text undefined undefined | text undefined undefined",
-    "layout_seq_with_completion": "image 43 43 57 41 | image 51 130 41 14 | image 96 130 41 14 | input 10 165 123 16 | input 7 128 41 17 | text 0 228 144 11 | text 0 87 144 7 | text 7 118 130 7 | text 14 152 116 6",
-    "layout_seq_without_completion": "image 43 43 57 41 | image 51 130 41 14 | image 96 130 41 14 | input 10 165 123 16 | input 7 128 41 17 | text 0 228 144 11 | text 0 87 144 7 | text 7 118 130 7 | text 14 152 116 6",
-    "plain_layout_seq": "image 43 43 57 41 | image 51 130 41 14 | image 96 130 41 14 | input 10 165 123 16 | input 7 128 41 17 | text 0 228 144 11 | text 0 87 144 7 | text 7 118 130 7 | text 14 152 116 6",
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-      {
-        "type": "image",
-        "position": [
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-      {
-        "type": "input",
-        "position": [
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-      },
-      {
-        "type": "image",
-        "position": [
-          960,
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-          410,
-          147
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-      }
-    ]
-  },
-  {
-    "text": "a page for a math game app. on the top, there is a toolbar with one text on the left. below, there is one text on the right and an image on the left. in the middle, there is one text. on the bottom, there are four text buttons in two lines for choosing the answer. .",
-    "region_id": "1600",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:text] ] ] [el:text] [el:text button[attr:repeat'6']] ]",
-    "execution": "singleinfo : text undefined undefined | text button undefined undefined | text button undefined undefined | text button undefined undefined | text button undefined undefined | text button undefined undefined | text button undefined undefined | [ toolbar top undefined | text undefined undefined ]",
-    "layout_seq_with_completion": "text 7 35 130 6 | text button 7 49 130 14 | text button 7 63 130 13 | text button 7 76 130 14 | text button 7 90 130 14 | text button 7 104 130 9 | text button 7 120 130 35 | [ toolbar 0 8 144 20 | text 5 13 26 9 ]",
-    "layout_seq_without_completion": "text 7 35 130 6 | text button 7 49 130 14 | text button 7 63 130 13 | text button 7 76 130 14 | text button 7 90 130 14 | text button 7 104 130 9 | text button 7 120 130 35 | [ toolbar 0 8 144 20 | text 5 13 26 9 ]",
-    "plain_layout_seq": "text 7 35 130 6 | text 5 13 26 9 | text button 7 49 130 14 | text button 7 63 130 13 | text button 7 76 130 14 | text button 7 90 130 14 | text button 7 104 130 9 | text button 7 120 130 35 | toolbar 0 8 144 20",
-    "canvas_width": 1440,
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-      {
-        "type": "text",
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-        "type": "text button",
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-      {
-        "type": "text button",
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-        "type": "text button",
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-        "type": "text button",
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-      {
-        "type": "text button",
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-      {
-        "type": "text button",
-        "position": [
-          70,
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-      }
-    ]
-  },
-  {
-    "text": "a page of a learning app. users can use it to learn lessons. there are two rows of parallel long texts at the top of the page. at the bottom of the page, there is a long text button where the user can start learning.",
-    "region_id": "13807",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:text [attr:size'large'] [attr:position'top'] ] [el:text button [attr:size'large'] [attr:position'bottom'] ] ]",
-    "execution": "singleinfo : text top large | text button bottom large",
-    "layout_seq_with_completion": "text 4 21 135 11 | text 4 36 135 14 | text button 24 209 95 16",
-    "layout_seq_without_completion": "text 4 21 135 11 | text 4 36 135 14 | text button 24 209 95 16",
-    "plain_layout_seq": "text 4 21 135 11 | text 4 36 135 14 | text button 24 209 95 16",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
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-        "type": "text button",
-        "position": [
-          249,
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-      },
-      {
-        "type": "text",
-        "position": [
-          42,
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-      },
-      {
-        "type": "text",
-        "position": [
-          42,
-          363,
-          1356,
-          146
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-      }
-    ]
-  },
-  {
-    "text": "a page for showing a holiday gift, which is a promotion for the lifetime movie club. there is a long toolbar with some images, a text, and an icon inside. right under that toolbar, there is a long image. below this image, there is a large web view taking up a huge portion of the page. it shows the details of the promotion.",
-    "region_id": "10167",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [item [el:image [attr:repeat'2'] ] [el:text] [el:icon] ] ] [el:image [attr:size'large'] ] [el:web view [attr:size'large'] ] ]",
-    "execution": "singleinfo : image undefined large | web view undefined large | [ toolbar undefined undefined | icon undefined undefined | image undefined undefined | image undefined undefined | text undefined undefined ]",
-    "layout_seq_with_completion": "web view 0 26 144 213 | [ toolbar 0 8 144 21 | icon 5 11 11 12 | icon 5 11 11 12 | image 127 8 17 18 | image 0 22 144 7 | image 110 8 17 18 | text 18 8 89 18 ]",
-    "layout_seq_without_completion": "web view 0 26 144 213 | [ toolbar 0 8 144 21 | icon 5 11 11 12 | icon 5 11 11 12 | image 127 8 17 18 | image 0 22 144 7 | image 110 8 17 18 | text 18 8 89 18 ]",
-    "plain_layout_seq": "icon 5 11 11 12 | icon 5 11 11 12 | image 127 8 17 18 | image 0 22 144 7 | image 110 8 17 18 | text 18 8 89 18 | toolbar 0 8 144 21 | web view 0 26 144 213",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
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-        "type": "icon",
-        "position": [
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-        "type": "toolbar",
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-      {
-        "type": "web view",
-        "position": [
-          0,
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-    ]
-  },
-  {
-    "text": "a page for adding groups. users can add groups by creating a name for the group. there is a long toolbar with a small text and a small text button at the top of the apge. under the toolbar, there is a long input with a small text inside. users can type in the name in the input. below that, there is a long text.",
-    "region_id": "9651",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:text [attr:size'small'] ] [el:text button [attr:size'small'] ] ] ] [el:input [attr:size'large'] ] [el:text [attr:size'small'] ] [el:text [attr:size'large'] ] ]",
-    "execution": "singleinfo : input undefined large | text undefined small | text undefined large | [ toolbar top undefined | text undefined small | text button undefined small ]",
-    "layout_seq_with_completion": "input 3 31 137 14 | text 3 35 35 6 | text 3 52 137 7 | [ toolbar 0 8 144 20 | icon 0 8 19 20 | text 21 13 32 9 | text button 125 9 19 17 ]",
-    "layout_seq_without_completion": "input 3 31 137 14 | text 3 35 35 6 | text 3 52 137 7 | [ toolbar 0 8 144 20 | icon 0 8 19 20 | text 21 13 32 9 | text button 125 9 19 17 ]",
-    "plain_layout_seq": "icon 0 8 19 20 | input 3 31 137 14 | text 3 35 35 6 | text 3 52 137 7 | text 21 13 32 9 | text button 125 9 19 17 | toolbar 0 8 144 20",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
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-        "type": "text button",
-        "position": [
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-      },
-      {
-        "type": "toolbar",
-        "position": [
-          0,
-          84,
-          1440,
-          196
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-      },
-      {
-        "type": "text",
-        "position": [
-          35,
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-      },
-      {
-        "type": "input",
-        "position": [
-          35,
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-      },
-      {
-        "type": "text",
-        "position": [
-          35,
-          356,
-          350,
-          57
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-      }
-    ]
-  },
-  {
-    "text": "a page directing the user to install the standard podcast app. there is a long toolbar with several items such as icons at the top of the page. below the toolbar, there is a large web view occupying a huge portion of the page. it shows the information of the current version and the instructions.",
-    "region_id": "11800",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:size'large'] [gattr:position'top'] [item [el:image] [el:text] [el:icon[attr:repeat'4'] ]] ] [el:web view [attr:size'large'] ]]",
-    "execution": "singleinfo : web view undefined large | [ toolbar top large | icon undefined undefined | icon undefined undefined | icon undefined undefined | icon undefined undefined | image undefined undefined | text undefined undefined ]",
-    "layout_seq_with_completion": "web view 0 25 144 214 | [ toolbar 0 8 144 17 | icon 0 14 5 5 | icon 124 8 20 17 | icon 65 8 20 17 | icon 85 8 19 17 | icon 104 8 20 17 | image 4 11 11 11 | text 16 12 27 9 ]",
-    "layout_seq_without_completion": "web view 0 25 144 214 | [ toolbar 0 8 144 17 | icon 0 14 5 5 | icon 124 8 20 17 | icon 65 8 20 17 | icon 85 8 19 17 | icon 104 8 20 17 | image 4 11 11 11 | text 16 12 27 9 ]",
-    "plain_layout_seq": "icon 0 14 5 5 | icon 124 8 20 17 | icon 65 8 20 17 | icon 85 8 19 17 | icon 104 8 20 17 | image 4 11 11 11 | text 16 12 27 9 | toolbar 0 8 144 17 | web view 0 25 144 214",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "icon",
-        "position": [
-          656,
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-      },
-      {
-        "type": "icon",
-        "position": [
-          852,
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-          168
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-      },
-      {
-        "type": "icon",
-        "position": [
-          1048,
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-          196,
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-      },
-      {
-        "type": "icon",
-        "position": [
-          1244,
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-      },
-      {
-        "type": "icon",
-        "position": [
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-      },
-      {
-        "type": "image",
-        "position": [
-          43,
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-          112,
-          112
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          169,
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-          265,
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-      },
-      {
-        "type": "toolbar",
-        "position": [
-          0,
-          84,
-          1440,
-          168
-        ]
-      },
-      {
-        "type": "web view",
-        "position": [
-          0,
-          252,
-          1440,
-          2140
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-      }
-    ]
-  },
-  {
-    "text": "a page to choose the color. on the top, there are six text buttons used to choose size, shape, color, style, people, and filter side by side. below them are three entries of texts used for the user to choose three types of color: any color, black and white, and full color. at the bottom of the page, there is a text button used to save the color users choose.",
-    "region_id": "894",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:text button[attr:repeat'6'][attr:position'top']] [el:text[attr:repeat'3'] ] [el:text button[attr:position'bottom']] ]",
-    "execution": "singleinfo : text undefined undefined | text undefined undefined | text undefined undefined | text button top undefined | text button top undefined | text button top undefined | text button top undefined | text button top undefined | text button top undefined | text button bottom undefined",
-    "layout_seq_with_completion": "text 0 21 144 17 | text 0 38 144 17 | text 0 55 144 17 | text button 120 0 24 15 | text button 0 0 24 15 | text button 96 0 24 15 | text button 0 222 144 17 | text button 48 0 24 15 | text button 24 0 24 15 | text button 72 0 24 15",
-    "layout_seq_without_completion": "text 0 21 144 17 | text 0 38 144 17 | text 0 55 144 17 | text button 120 0 24 15 | text button 0 0 24 15 | text button 96 0 24 15 | text button 0 222 144 17 | text button 48 0 24 15 | text button 24 0 24 15 | text button 72 0 24 15",
-    "plain_layout_seq": "text 0 21 144 17 | text 0 38 144 17 | text 0 55 144 17 | text button 120 0 24 15 | text button 0 0 24 15 | text button 96 0 24 15 | text button 0 222 144 17 | text button 48 0 24 15 | text button 24 0 24 15 | text button 72 0 24 15",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "text button",
-        "position": [
-          0,
-          2224,
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-      },
-      {
-        "type": "text",
-        "position": [
-          0,
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-      },
-      {
-        "type": "text",
-        "position": [
-          0,
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-          1440,
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-      },
-      {
-        "type": "text",
-        "position": [
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-      {
-        "type": "text button",
-        "position": [
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-      {
-        "type": "text button",
-        "position": [
-          241,
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-          239,
-          154
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-      },
-      {
-        "type": "text button",
-        "position": [
-          481,
-          4,
-          239,
-          154
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-      },
-      {
-        "type": "text button",
-        "position": [
-          721,
-          4,
-          239,
-          154
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-      },
-      {
-        "type": "text button",
-        "position": [
-          961,
-          4,
-          239,
-          154
-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          1201,
-          4,
-          239,
-          154
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a page to set wallpaper. on the top, there is a text button used to set wallpaper. in the middle of the page, there is an image showing the wallpaper. at the bottom of the page, there is four text buttons side by side used to check the previous wallpaper, send the wallpaper, save the wallpaper, and check the next wallpaper respectively. below them is a web view with an advertisement.",
-    "region_id": "11213",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:text button [attr:position'top'] ] [el:image] [el:text button [attr:repeat'4']] [el:web view] [el:advertisement] ]",
-    "execution": "singleinfo : advertisement undefined undefined | image undefined undefined | text button top undefined | text button undefined undefined | text button undefined undefined | text button undefined undefined | text button undefined undefined | web view undefined undefined",
-    "layout_seq_with_completion": "image 43 67 57 75 | text button 0 202 35 19 | text button 36 202 35 19 | text button 108 202 35 19 | text button 0 8 144 17 | text button 72 202 35 19 | web view 0 221 144 18",
-    "layout_seq_without_completion": "image 43 67 57 75 | text button 0 202 35 19 | text button 36 202 35 19 | text button 108 202 35 19 | text button 0 8 144 17 | text button 72 202 35 19 | web view 0 221 144 18",
-    "plain_layout_seq": "image 43 67 57 75 | text button 0 202 35 19 | text button 36 202 35 19 | text button 108 202 35 19 | text button 0 8 144 17 | text button 72 202 35 19 | web view 0 221 144 18",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "text button",
-        "position": [
-          0,
-          84,
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-          168
-        ]
-      },
-      {
-        "type": "image",
-        "position": [
-          438,
-          674,
-          564,
-          752
-        ]
-      },
-      {
-        "type": "web view",
-        "position": [
-          0,
-          2217,
-          1440,
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-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          7,
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-          350,
-          193
-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          365,
-          2020,
-          350,
-          193
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-      },
-      {
-        "type": "text button",
-        "position": [
-          723,
-          2020,
-          350,
-          193
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-      },
-      {
-        "type": "text button",
-        "position": [
-          1081,
-          2020,
-          351,
-          193
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a settings page of an app. users can select a currency using this page. there is a long toolbar with a text inside at the top of the page. below the toolbar, there is a long list item with two small texts showing the option for selecting a currency.",
-    "region_id": "12638",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:text] ] ] [gp:list item [item [el:text [attr:size'small'] ] [el:text [attr:size'small'] ] ] ] ]",
-    "execution": "singleinfo : [ toolbar top undefined | text undefined undefined ] | [ list item undefined undefined | text undefined small | text undefined small ]",
-    "layout_seq_with_completion": "[ toolbar 0 8 144 20 | icon 0 8 19 20 | text 21 13 25 9 ] | [ list item 5 28 133 25 | text 11 33 22 8 | text 11 41 42 6 ]",
-    "layout_seq_without_completion": "[ toolbar 0 8 144 20 | icon 0 8 19 20 | text 21 13 25 9 ] | [ list item 5 28 133 25 | text 11 33 22 8 | text 11 41 42 6 ]",
-    "plain_layout_seq": "icon 0 8 19 20 | list item 5 28 133 25 | text 21 13 25 9 | text 11 33 22 8 | text 11 41 42 6 | toolbar 0 8 144 20",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "text",
-        "position": [
-          210,
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-          259,
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-      },
-      {
-        "type": "icon",
-        "position": [
-          0,
-          84,
-          196,
-          196
-        ]
-      },
-      {
-        "type": "toolbar",
-        "position": [
-          0,
-          84,
-          1440,
-          196
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          112,
-          336,
-          221,
-          76
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          112,
-          412,
-          420,
-          66
-        ]
-      },
-      {
-        "type": "list item",
-        "position": [
-          56,
-          280,
-          1328,
-          254
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a page for showing workout plans. there is a text and a large image at the upper portion of the page. the text shows the user the number of workout plans. near the bottom of the page, there is a long text button, which gives the user an option to add workouts.",
-    "region_id": "7255",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:text[attr:position'top']] [el:image [attr:size'large'] ] [el:text button [attr:size'large'] [attr:position'bottom']] ]",
-    "execution": "singleinfo : image undefined large | text top undefined | text button bottom large",
-    "layout_seq_with_completion": "image 30 29 84 85 | text 30 17 84 9 | text button 12 200 119 26",
-    "layout_seq_without_completion": "image 30 29 84 85 | text 30 17 84 9 | text button 12 200 119 26",
-    "plain_layout_seq": "image 30 29 84 85 | text 30 17 84 9 | text button 12 200 119 26",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "image",
-        "position": [
-          300,
-          294,
-          840,
-          850
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          300,
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-          840,
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-      },
-      {
-        "type": "text button",
-        "position": [
-          128,
-          2008,
-          1184,
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-      }
-    ]
-  },
-  {
-    "text": "a page showing notifications and other information about an app. for example, users can see the terms of the privacy policy through this page. there are two text buttons, a small icon, and a small image placed side by side but separately at the top of the page. below these items, there are three rows of long text buttons showing the information.",
-    "region_id": "10412",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:text button [attr:position'top'] [attr:repeat'2'] ] [el:icon [attr:size'small'] [attr:repeat'2'] ] [el:image [attr:size'small'][attr:repeat'2'] ] [el:text button [attr:repeat'3'] ] ]",
-    "execution": "singleinfo : icon undefined small | icon undefined small | image undefined small | image undefined small | text button top undefined | text button top undefined | text button undefined undefined | text button undefined undefined | text button undefined undefined",
-    "layout_seq_with_completion": "icon 2 11 14 14 | image 135 8 9 21 | text button 53 11 19 15 | text button 74 11 19 15 | text button 7 36 130 12 | text button 7 48 130 12 | text button 7 61 130 12",
-    "layout_seq_without_completion": "icon 2 11 14 14 | image 135 8 9 21 | text button 53 11 19 15 | text button 74 11 19 15 | text button 7 36 130 12 | text button 7 48 130 12 | text button 7 61 130 12",
-    "plain_layout_seq": "icon 2 11 14 14 | image 135 8 9 21 | text button 53 11 19 15 | text button 74 11 19 15 | text button 7 36 130 12 | text button 7 48 130 12 | text button 7 61 130 12",
-    "canvas_width": 1440,
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-        "type": "icon",
-        "position": [
-          28,
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-          140,
-          140
-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          534,
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-          186,
-          152
-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          748,
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-          152
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-      },
-      {
-        "type": "text button",
-        "position": [
-          70,
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-          1300,
-          121
-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          70,
-          487,
-          1300,
-          121
-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          70,
-          612,
-          1300,
-          121
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a sign-in page for an app. users can use this app to view visitors of their instagram. there is an image in the upper half of the page. at the center of the page, there is a long image explaining the purpose of the app. below that, there is another small image, which is an option for the user to sign in with instagram.",
-    "region_id": "10344",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:image] [el:image [attr:size'large'] ] [el:image [attr:size'small'] ] ]",
-    "execution": "singleinfo : image undefined small | image undefined large | image undefined undefined",
-    "layout_seq_with_completion": "image 12 165 119 20 | image 34 29 75 74 | image 0 88 144 71",
-    "layout_seq_without_completion": "image 12 165 119 20 | image 34 29 75 74 | image 0 88 144 71",
-    "plain_layout_seq": "image 12 165 119 20 | image 34 29 75 74 | image 0 88 144 71",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "image",
-        "position": [
-          129,
-          1652,
-          1182,
-          198
-        ]
-      },
-      {
-        "type": "image",
-        "position": [
-          349,
-          294,
-          742,
-          743
-        ]
-      },
-      {
-        "type": "image",
-        "position": [
-          0,
-          883,
-          1440,
-          709
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a page showing the news. there is a long toolbar with a small text and icon inside at the top of the page. below them, there are two long texts parallel to each other. under these texts, there is a large text showing the content of the news.",
-    "region_id": "4579",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:text [attr:size'small'] ] [el:icon [attr:size'small'] ] ] ] [el:text [attr:size'large'] [attr:repeat'2'] ] [el:text [attr:size'large'] ] ]",
-    "execution": "singleinfo : text undefined large | text undefined large | text undefined large | [ toolbar top undefined | icon undefined small | text undefined small ]",
-    "layout_seq_with_completion": "text 5 44 54 6 | text 5 61 133 87 | text 28 33 87 8 | [ toolbar 0 8 144 20 | icon 0 8 19 19 | text 21 13 43 9 ]",
-    "layout_seq_without_completion": "text 5 44 54 6 | text 5 61 133 87 | text 28 33 87 8 | [ toolbar 0 8 144 20 | icon 0 8 19 19 | text 21 13 43 9 ]",
-    "plain_layout_seq": "icon 0 8 19 19 | text 5 44 54 6 | text 5 61 133 87 | text 28 33 87 8 | text 21 13 43 9 | toolbar 0 8 144 20",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "text",
-        "position": [
-          210,
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-          434,
-          93
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-      },
-      {
-        "type": "icon",
-        "position": [
-          0,
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-          196,
-          191
-        ]
-      },
-      {
-        "type": "toolbar",
-        "position": [
-          0,
-          84,
-          1440,
-          196
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          281,
-          336,
-          878,
-          76
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          56,
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-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          56,
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-          1328,
-          868
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a page to edit a picture. at the top of the page, there are two icons used to decide whether save or not the picture that the user edits. the rest of the page is the background image.",
-    "region_id": "13118",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:icon [attr:position'top'] [attr:repeat'2'] ] [el:background image [attr:size'large'] ] ]",
-    "execution": "singleinfo : background image undefined large | icon top undefined | icon top undefined",
-    "layout_seq_with_completion": "background image 0 25 144 214 | icon 30 11 11 11 | icon 102 11 11 11",
-    "layout_seq_without_completion": "background image 0 25 144 214 | icon 30 11 11 11 | icon 102 11 11 11",
-    "plain_layout_seq": "background image 0 25 144 214 | icon 30 11 11 11 | icon 102 11 11 11",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "background image",
-        "position": [
-          0,
-          252,
-          1440,
-          2140
-        ]
-      },
-      {
-        "type": "icon",
-        "position": [
-          307,
-          115,
-          105,
-          105
-        ]
-      },
-      {
-        "type": "icon",
-        "position": [
-          1028,
-          115,
-          105,
-          105
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a page for signing in. there is an image at the near center of the page with a shorter text placed right under it. below these two, there are two rows of text buttons. the first is for logging in, and the latter is for signing up.",
-    "region_id": "3983",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:image ] [el:text [attr:size'samll'] ] [el:text button ] ]",
-    "execution": "singleinfo : image undefined undefined | text undefined samll | text button undefined undefined",
-    "layout_seq_with_completion": "image 0 85 144 12 | text 23 99 97 9 | text button 11 124 121 16 | text button 11 145 121 16",
-    "layout_seq_without_completion": "image 0 85 144 12 | text 23 99 97 9 | text button 11 124 121 16 | text button 11 145 121 16",
-    "plain_layout_seq": "image 0 85 144 12 | text 23 99 97 9 | text button 11 124 121 16 | text button 11 145 121 16",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "image",
-        "position": [
-          0,
-          856,
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-        ]
-      },
-      {
-        "type": "text",
-        "position": [
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-      },
-      {
-        "type": "text button",
-        "position": [
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-          168
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-      },
-      {
-        "type": "text button",
-        "position": [
-          112,
-          1451,
-          1216,
-          168
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a page for function description. on the top left, there is an icon. below is an image. in the middle, there are two parallel texts. below is a text button for confirmation. on the bottom, there is a pager indicator.",
-    "region_id": "7465",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:icon [attr:position'top'] ] [el:image ] [el:text [attr:repeat'2'] ] [el:text button] [el:pager indicator [attr:position'bottom'] ] ]",
-    "execution": "singleinfo : icon top undefined | image undefined undefined | pager indicator bottom undefined | text undefined undefined | text undefined undefined | text button undefined undefined",
-    "layout_seq_with_completion": "image 5 14 21 66 | pager indicator 0 226 144 5 | text 26 80 70 10 | text 26 93 58 43 | text button 37 148 70 17",
-    "layout_seq_without_completion": "image 5 14 21 66 | pager indicator 0 226 144 5 | text 26 80 70 10 | text 26 93 58 43 | text button 37 148 70 17",
-    "plain_layout_seq": "image 5 14 21 66 | pager indicator 0 226 144 5 | text 26 80 70 10 | text 26 93 58 43 | text button 37 148 70 17",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "pager indicator",
-        "position": [
-          0,
-          2265,
-          1440,
-          50
-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          370,
-          1486,
-          700,
-          168
-        ]
-      },
-      {
-        "type": "image",
-        "position": [
-          56,
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-          660
-        ]
-      },
-      {
-        "type": "text",
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-      },
-      {
-        "type": "text",
-        "position": [
-          266,
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-          577,
-          428
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a page of the map. on the top of the page, there is a toolbar with an icon, an image, and one text in it. at the bottom of the page, there are three icons and three images.",
-    "region_id": "7886",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:icon] [el:image] [el:text] ] ] [el:icon [attr:position'bottom']] [el:icon [attr:position'bottom']] [el:icon [attr:position'bottom']] [el:image [attr:position'bottom']] [el:image [attr:position'bottom']] [el:image [attr:position'bottom']] ]",
-    "execution": "singleinfo : icon bottom undefined | icon bottom undefined | icon bottom undefined | image bottom undefined | image bottom undefined | image bottom undefined | [ toolbar top undefined | icon undefined undefined | image undefined undefined | text undefined undefined ]",
-    "layout_seq_with_completion": "icon 86 222 29 17 | icon 115 222 29 17 | icon 1 212 21 8 | image 0 222 28 17 | image 57 222 29 17 | image 28 222 29 17 | [ toolbar 0 8 144 17 | icon 0 14 5 5 | image 4 11 11 11 | text 16 12 36 9 ]",
-    "layout_seq_without_completion": "icon 86 222 29 17 | icon 115 222 29 17 | icon 1 212 21 8 | image 0 222 28 17 | image 57 222 29 17 | image 28 222 29 17 | [ toolbar 0 8 144 17 | icon 0 14 5 5 | image 4 11 11 11 | text 16 12 36 9 ]",
-    "plain_layout_seq": "icon 86 222 29 17 | icon 115 222 29 17 | icon 1 212 21 8 | icon 0 14 5 5 | image 0 222 28 17 | image 57 222 29 17 | image 28 222 29 17 | image 4 11 11 11 | text 16 12 36 9 | toolbar 0 8 144 17",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "icon",
-        "position": [
-          0,
-          140,
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-          56
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-      },
-      {
-        "type": "image",
-        "position": [
-          43,
-          112,
-          112,
-          112
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          169,
-          125,
-          351,
-          85
-        ]
-      },
-      {
-        "type": "toolbar",
-        "position": [
-          0,
-          84,
-          1440,
-          168
-        ]
-      },
-      {
-        "type": "image",
-        "position": [
-          0,
-          2224,
-          288,
-          168
-        ]
-      },
-      {
-        "type": "image",
-        "position": [
-          288,
-          2224,
-          288,
-          168
-        ]
-      },
-      {
-        "type": "image",
-        "position": [
-          576,
-          2224,
-          288,
-          168
-        ]
-      },
-      {
-        "type": "icon",
-        "position": [
-          864,
-          2224,
-          288,
-          168
-        ]
-      },
-      {
-        "type": "icon",
-        "position": [
-          1152,
-          2224,
-          288,
-          168
-        ]
-      },
-      {
-        "type": "icon",
-        "position": [
-          18,
-          2129,
-          210,
-          77
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a chat page of an app. users can send their bitmoji so that their avatars can be easily seen. at the top of the page, there is a toolbar with a small text and a text button in it. the text button stands for an option to skip the process. under the toolbar, there there are two images with an icon inside giving users specific instructions. at the bottom of the page, there is a long text button, which is an option for sharing.",
-    "region_id": "3467",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:text [attr:size'small'] ] [el:text button] ] ] [el:image] [el:image] [el:icon] [el:text button [attr:size'large'] [attr:position'bottom'] ] ]",
-    "execution": "singleinfo : icon undefined undefined | image undefined undefined | image undefined undefined | text button bottom large | [ toolbar top undefined | text undefined small | text button undefined undefined ]",
-    "layout_seq_with_completion": "image 131 33 7 33 | image 5 33 46 33 | image 51 33 80 33 | text 51 33 80 29 | text button 0 215 144 24 | [ toolbar 0 8 144 20 | text 5 13 70 9 | text button 126 9 18 17 ]",
-    "layout_seq_without_completion": "image 131 33 7 33 | image 5 33 46 33 | image 51 33 80 33 | text 51 33 80 29 | text button 0 215 144 24 | [ toolbar 0 8 144 20 | text 5 13 70 9 | text button 126 9 18 17 ]",
-    "plain_layout_seq": "image 131 33 7 33 | image 5 33 46 33 | image 51 33 80 33 | text 51 33 80 29 | text 5 13 70 9 | text button 0 215 144 24 | text button 126 9 18 17 | toolbar 0 8 144 20",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "text",
-        "position": [
-          56,
-          135,
-          694,
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-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          1263,
-          98,
-          177,
-          168
-        ]
-      },
-      {
-        "type": "toolbar",
-        "position": [
-          0,
-          84,
-          1440,
-          196
-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          0,
-          2159,
-          1440,
-          233
-        ]
-      },
-      {
-        "type": "image",
-        "position": [
-          1317,
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-          70,
-          336
-        ]
-      },
-      {
-        "type": "image",
-        "position": [
-          53,
-          333,
-          457,
-          336
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-      },
-      {
-        "type": "image",
-        "position": [
-          510,
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-          336
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          510,
-          333,
-          807,
-          294
-        ]
-      }
-    ]
-  },
-  {
-    "text": "an activity-planning page of an app. users can use it to get personalized activity ideas. there is a large image in the upper half of the page. under that image, there are two rows of long texts indicating what the app can do. below them is a short text button where the user can start using the app. at the bottom of the page, there is a small image.",
-    "region_id": "2213",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:image [attr:size'large'] ] [el:text [attr:repeat'2'] [attr:size'large'] ] [el:text button [attr:size'small'] ] [el:image [attr:size'small'] [attr:position'bottom'] ] ]",
-    "execution": "singleinfo : image bottom small | image undefined large | text undefined large | text undefined large | text button undefined small",
-    "layout_seq_with_completion": "image 75 228 6 2 | image 62 228 6 2 | image 8 28 127 118 | image 8 28 127 118 | image 8 28 127 118 | image 8 28 127 118 | image 68 228 7 2 | text 11 158 121 11 | text 11 172 121 23 | text button 47 203 49 17",
-    "layout_seq_without_completion": "image 75 228 6 2 | image 62 228 6 2 | image 8 28 127 118 | image 8 28 127 118 | image 8 28 127 118 | image 8 28 127 118 | image 68 228 7 2 | text 11 158 121 11 | text 11 172 121 23 | text button 47 203 49 17",
-    "plain_layout_seq": "image 75 228 6 2 | image 62 228 6 2 | image 8 28 127 118 | image 8 28 127 118 | image 8 28 127 118 | image 8 28 127 118 | image 68 228 7 2 | text 11 158 121 11 | text 11 172 121 23 | text button 47 203 49 17",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "text button",
-        "position": [
-          479,
-          2035,
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-          168
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-      },
-      {
-        "type": "image",
-        "position": [
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-      },
-      {
-        "type": "image",
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-          84,
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-      },
-      {
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-      },
-      {
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-      },
-      {
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-          1216,
-          224
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-      },
-      {
-        "type": "image",
-        "position": [
-          625,
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-      },
-      {
-        "type": "image",
-        "position": [
-          688,
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-      },
-      {
-        "type": "image",
-        "position": [
-          751,
-          2287,
-          63,
-          21
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-      }
-    ]
-  },
-  {
-    "text": "a page for entering the email address. on the top of the page, there is one toolbar with one icon on the left for the back and one text. the following is one text and one input for users to enter the email address, and the input can be blank. below is one text button to jump to the next page.",
-    "region_id": "3551",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar[gattr:position'top'] [item [el:icon] [el:text] ] ] [el:text] [el:input] [el:text button] ]",
-    "execution": "singleinfo : input undefined undefined | text undefined undefined | text button undefined undefined | [ toolbar top undefined | icon undefined undefined | text undefined undefined ]",
-    "layout_seq_with_completion": "input 5 41 133 11 | text 5 33 133 6 | text button 22 58 99 17 | [ toolbar 0 8 144 20 | icon 0 8 19 20 | text 21 14 38 8 ]",
-    "layout_seq_without_completion": "input 5 41 133 11 | text 5 33 133 6 | text button 22 58 99 17 | [ toolbar 0 8 144 20 | icon 0 8 19 20 | text 21 14 38 8 ]",
-    "plain_layout_seq": "icon 0 8 19 20 | input 5 41 133 11 | text 5 33 133 6 | text 21 14 38 8 | text button 22 58 99 17 | toolbar 0 8 144 20",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
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-        "position": [
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-          385,
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-      },
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-          196,
-          196
-        ]
-      },
-      {
-        "type": "toolbar",
-        "position": [
-          0,
-          84,
-          1440,
-          196
-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          228,
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-          984,
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-      },
-      {
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-          1328,
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-      },
-      {
-        "type": "input",
-        "position": [
-          56,
-          419,
-          1328,
-          106
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a page for showing the details of privacy policy. on the top of the page, there is one toolbar with one image on the left and one text. in the middle of the page, there are three texts to show the details of the privacy policy. the following are two text buttons to check the website and accept the policy.",
-    "region_id": "5597",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:image] [el:text] ] ] [el:text [attr:repeat'3'] ] [el:text button [attr:repeat'2'] ] ]",
-    "execution": "singleinfo : text undefined undefined | text undefined undefined | text undefined undefined | text button undefined undefined | text button undefined undefined | [ toolbar top undefined | image undefined undefined | text undefined undefined ]",
-    "layout_seq_with_completion": "text 57 142 29 8 | text 44 74 55 17 | text 7 91 130 58 | text button 7 149 130 17 | text button 10 169 123 17 | [ toolbar 0 8 144 17 | icon 2 8 14 17 | image 4 11 11 11 | text 16 12 40 9 ]",
-    "layout_seq_without_completion": "text 57 142 29 8 | text 44 74 55 17 | text 7 91 130 58 | text button 7 149 130 17 | text button 10 169 123 17 | [ toolbar 0 8 144 17 | icon 2 8 14 17 | image 4 11 11 11 | text 16 12 40 9 ]",
-    "plain_layout_seq": "icon 2 8 14 17 | image 4 11 11 11 | text 57 142 29 8 | text 44 74 55 17 | text 7 91 130 58 | text 16 12 40 9 | text button 7 149 130 17 | text button 10 169 123 17 | toolbar 0 8 144 17",
-    "canvas_width": 1440,
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-      },
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-          168
-        ]
-      },
-      {
-        "type": "text",
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-      },
-      {
-        "type": "toolbar",
-        "position": [
-          0,
-          84,
-          1440,
-          168
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
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-      },
-      {
-        "type": "text",
-        "position": [
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-      },
-      {
-        "type": "text",
-        "position": [
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-      },
-      {
-        "type": "text button",
-        "position": [
-          70,
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-          1300,
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-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          105,
-          1697,
-          1230,
-          168
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a page for showing the app developer and the website to visit the main site. on the top of the page, there is one toolbar with one icon on the left for the back and one text. below is one icon and one text, which shows the website to visit the main site. and the following is one image and one text to show the app developer.",
-    "region_id": "1695",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:icon [attr:position'left']] [el:text] ] ] [el:icon] [el:text] [el:image] [el:text] ]",
-    "execution": "singleinfo : icon undefined undefined | image undefined undefined | text undefined undefined | text undefined undefined | [ toolbar top undefined | icon left undefined | text undefined undefined ]",
-    "layout_seq_with_completion": "icon 3 31 17 17 | image 3 55 17 17 | text 20 31 46 17 | text 20 55 48 17 | [ toolbar 0 8 144 20 | icon 0 8 19 20 | text 21 13 22 9 ]",
-    "layout_seq_without_completion": "icon 3 31 17 17 | image 3 55 17 17 | text 20 31 46 17 | text 20 55 48 17 | [ toolbar 0 8 144 20 | icon 0 8 19 20 | text 21 13 22 9 ]",
-    "plain_layout_seq": "icon 3 31 17 17 | icon 0 8 19 20 | image 3 55 17 17 | text 20 31 46 17 | text 20 55 48 17 | text 21 13 22 9 | toolbar 0 8 144 20",
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-    "canvas_height": 2560,
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-        "type": "text",
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-    ]
-  },
-  {
-    "text": "a page for setting functions. there is a big image on the upper part, followed by two texts. there are also five image icons and a text button on the bottom. the image is used to show the details of functions. the image icons are used to switch pages and the text button is used to finish the setting.",
-    "region_id": "11340",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:image [attr:size'large'] ] [el:text [attr:repeat'2'] ] [el:image [attr:repeat'5'] [attr:position'bottom'] ] [el:text button [attr:position'bottom'] ] ]",
-    "execution": "singleinfo : image bottom undefined | image bottom undefined | image bottom undefined | image bottom undefined | image bottom undefined | image undefined large | text undefined undefined | text undefined undefined | text button bottom undefined",
-    "layout_seq_with_completion": "icon 51 232 14 3 | image 37 232 14 3 | image 65 232 14 3 | image 79 232 14 3 | image 93 232 14 3 | image 7 8 130 182 | image 7 8 130 182 | text 37 193 69 11 | text 17 205 109 13 | text button 119 221 25 18",
-    "layout_seq_without_completion": "icon 51 232 14 3 | image 37 232 14 3 | image 65 232 14 3 | image 79 232 14 3 | image 93 232 14 3 | image 7 8 130 182 | image 7 8 130 182 | text 37 193 69 11 | text 17 205 109 13 | text button 119 221 25 18",
-    "plain_layout_seq": "icon 51 232 14 3 | image 37 232 14 3 | image 65 232 14 3 | image 79 232 14 3 | image 93 232 14 3 | image 7 8 130 182 | image 7 8 130 182 | text 37 193 69 11 | text 17 205 109 13 | text button 119 221 25 18",
-    "canvas_width": 1440,
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-  },
-  {
-    "text": "this is a page for the news. there is a web view that occupies most of the page for users to browse.",
-    "region_id": "13595",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:web view [attr:size'large'] ] ]",
-    "execution": "singleinfo : web view undefined large",
-    "layout_seq_with_completion": "web view 0 8 144 231",
-    "layout_seq_without_completion": "web view 0 8 144 231",
-    "plain_layout_seq": "web view 0 8 144 231",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "web view",
-        "position": [
-          0,
-          88,
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-      }
-    ]
-  },
-  {
-    "text": "a page for users to find a church, non-profit, or business. on the top of the page, there is one toolbar with one icon, one image, and one text. the following is one big image. in the middle, two long texts show that users can get started to find a church, non-profit, or business and search for an organization.",
-    "region_id": "7030",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:icon] [el:image] [el:text] ] ] [el:image [attr:size'large'] ] [el:text [attr:size'large'] [attr:repeat'2'] ] ]",
-    "execution": "singleinfo : image undefined large | text undefined large | text undefined large | [ toolbar top undefined | icon undefined undefined | image undefined undefined | text undefined undefined ]",
-    "layout_seq_with_completion": "image 18 47 107 65 | text 5 115 133 11 | text 5 128 133 8 | [ toolbar 0 8 144 20 | icon 0 8 19 20 | image 19 12 11 11 | text 32 13 19 9 ]",
-    "layout_seq_without_completion": "image 18 47 107 65 | text 5 115 133 11 | text 5 128 133 8 | [ toolbar 0 8 144 20 | icon 0 8 19 20 | image 19 12 11 11 | text 32 13 19 9 ]",
-    "plain_layout_seq": "icon 0 8 19 20 | image 18 47 107 65 | image 19 12 11 11 | text 5 115 133 11 | text 5 128 133 8 | text 32 13 19 9 | toolbar 0 8 144 20",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "text",
-        "position": [
-          322,
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-      {
-        "type": "image",
-        "position": [
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-      {
-        "type": "icon",
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-        "type": "toolbar",
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-        "type": "image",
-        "position": [
-          180,
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-    ]
-  },
-  {
-    "text": "a settings page for an app. users can change information like the frequency of survey invites they receive. there is a long toolbar with a small icon at the top of the page. under the toolbar, there is a text and a text button placed side by side. users can change the frequency of survey invites through the text button. below these items, there is a text and an input placed side by side. it asks the user`s location. near the center of the page, there is a long text, which is an option for resetting tutorials.",
-    "region_id": "12131",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:icon [attr:size'small'] ] ] ] [el:text] [el:text button] [el:text] [el:input] [el:text [attr:size'large'] ] ]",
-    "execution": "singleinfo : input undefined undefined | text undefined large | text undefined undefined | text undefined undefined | text button undefined undefined | [ toolbar top undefined | icon undefined small ]",
-    "layout_seq_with_completion": "input 72 55 72 13 | text 0 30 72 18 | text 0 74 144 22 | text 0 55 72 13 | text button 72 31 72 15 | [ toolbar 0 8 144 20 | icon 0 8 19 20 ]",
-    "layout_seq_without_completion": "input 72 55 72 13 | text 0 30 72 18 | text 0 74 144 22 | text 0 55 72 13 | text button 72 31 72 15 | [ toolbar 0 8 144 20 | icon 0 8 19 20 ]",
-    "plain_layout_seq": "icon 0 8 19 20 | input 72 55 72 13 | text 0 30 72 18 | text 0 74 144 22 | text 0 55 72 13 | text button 72 31 72 15 | toolbar 0 8 144 20",
-    "canvas_width": 1440,
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-      {
-        "type": "input",
-        "position": [
-          720,
-          552,
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-    ]
-  },
-  {
-    "text": "a page of news in an app. in the middle of the page, there are two entries of text buttons used to watch the news.",
-    "region_id": "7159",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:text button [attr:repeat'2']]]",
-    "execution": "singleinfo : text button undefined undefined | text button undefined undefined",
-    "layout_seq_with_completion": "text button 0 42 144 64 | text button 0 141 144 63",
-    "layout_seq_without_completion": "text button 0 42 144 64 | text button 0 141 144 63",
-    "plain_layout_seq": "text button 0 42 144 64 | text button 0 141 144 63",
-    "canvas_width": 1440,
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-    "elements": [
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-        "type": "text button",
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-      },
-      {
-        "type": "text button",
-        "position": [
-          0,
-          1414,
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-      }
-    ]
-  },
-  {
-    "text": "this is a page for a gift. in the middle, there is an image and one text. at the bottom, there are two text buttons.",
-    "region_id": "2122",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:image] [el:text] [el:text button [attr:position'bottom'] [attr:repeat'2'] ] ]",
-    "execution": "singleinfo : image undefined undefined | text undefined undefined | text button bottom undefined | text button bottom undefined",
-    "layout_seq_with_completion": "image 45 73 53 52 | text 3 125 137 32 | text button 3 218 67 17 | text button 73 218 67 17",
-    "layout_seq_without_completion": "image 45 73 53 52 | text 3 125 137 32 | text button 3 218 67 17 | text button 73 218 67 17",
-    "plain_layout_seq": "image 45 73 53 52 | text 3 125 137 32 | text button 3 218 67 17 | text button 73 218 67 17",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
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-      },
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-        "type": "text",
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-        "position": [
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-    ]
-  },
-  {
-    "text": "a page shows the information on marriage mediators. on the top, there is a toolbar with a small image on the left, one icon on the right, and one text between them. below the toolbar, there are two entries of text buttons showing the personal information about the mediator. at the bottom of the page, there is a web view with an advertisement.",
-    "region_id": "11140",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:image [attr:size'small'] ] [el:icon] [el:text] ] ] [el:text button [attr:repeat'2'] ] [el:web view [attr:position'bottom'] ] [el:advertisement [attr:position'bottom'] ] ]",
-    "execution": "singleinfo : advertisement bottom undefined | text button undefined undefined | text button undefined undefined | web view bottom undefined | [ toolbar top undefined | icon undefined undefined | image undefined small | text undefined undefined ]",
-    "layout_seq_with_completion": "advertisement 0 221 144 18 | text button 4 77 135 42 | text button 4 34 135 42 | web view 16 221 112 18 | [ toolbar 0 8 144 20 | icon 119 11 14 14 | image 0 8 19 20 | text 25 11 94 14 ]",
-    "layout_seq_without_completion": "advertisement 0 221 144 18 | text button 4 77 135 42 | text button 4 34 135 42 | web view 16 221 112 18 | [ toolbar 0 8 144 20 | icon 119 11 14 14 | image 0 8 19 20 | text 25 11 94 14 ]",
-    "plain_layout_seq": "advertisement 0 221 144 18 | icon 119 11 14 14 | image 0 8 19 20 | text 25 11 94 14 | text button 4 77 135 42 | text button 4 34 135 42 | toolbar 0 8 144 20 | web view 16 221 112 18",
-    "canvas_width": 1440,
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-      },
-      {
-        "type": "advertisement",
-        "position": [
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-      },
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-        "position": [
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-    ]
-  },
-  {
-    "text": "this is a page for the protocol. on the top, there is an image on the left, an icon on the right, and one text between them. below, there is a text button and a list item with three texts in it.",
-    "region_id": "598",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:image [attr:position'top'] ] [el:icon [attr:position'top'] ] [el:text ] [el:text button] [gp:list item [item [el:text button] [el:text [attr:repeat'3']] ] ] ]",
-    "execution": "singleinfo : icon top undefined | image top undefined | text undefined undefined | text button undefined undefined | [ list item undefined undefined | text undefined undefined | text undefined undefined | text undefined undefined | text button undefined undefined ]",
-    "layout_seq_with_completion": "icon 132 10 9 13 | image 0 8 18 17 | text 18 8 112 17 | text button 0 25 143 16 | [ list item 0 42 144 17 | text 137 47 3 7 | text 3 43 127 8 | text 3 51 127 7 ]",
-    "layout_seq_without_completion": "icon 132 10 9 13 | image 0 8 18 17 | text 18 8 112 17 | text button 0 25 143 16 | [ list item 0 42 144 17 | text 137 47 3 7 | text 3 43 127 8 | text 3 51 127 7 ]",
-    "plain_layout_seq": "icon 132 10 9 13 | image 0 8 18 17 | list item 0 42 144 17 | text 18 8 112 17 | text 137 47 3 7 | text 3 43 127 8 | text 3 51 127 7 | text button 0 25 143 16",
-    "canvas_width": 1440,
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-    ]
-  },
-  {
-    "text": "a page showing the history of barcodes scanned. there is a long toolbar with two icons and a small text inside at the top of the page. under the toolbar, there is a long list item with two long texts in it. they show the result of the barcodes recorded. at the bottom, there is a long web view.",
-    "region_id": "6893",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:icon] [el:icon] [el:text [attr:size'small'] ] ] ] [gp:list item [item [el:text [attr:size'large'] ] [el:text [attr:size'large'] ] ] ] [el:web view [attr:size'large'] [attr:position'bottom'] ] ]",
-    "execution": "singleinfo : web view bottom large | [ toolbar top undefined | icon undefined undefined | icon undefined undefined | text undefined small ] | [ list item undefined undefined | text undefined large | text undefined large ]",
-    "layout_seq_with_completion": "web view 0 221 144 18 | [ toolbar 0 8 144 20 | icon 0 8 19 20 | icon 127 9 17 17 | text 21 13 22 9 ] | [ list item 2 29 139 27 | text 5 34 133 11 | text 5 45 133 6 ]",
-    "layout_seq_without_completion": "web view 0 221 144 18 | [ toolbar 0 8 144 20 | icon 0 8 19 20 | icon 127 9 17 17 | text 21 13 22 9 ] | [ list item 2 29 139 27 | text 5 34 133 11 | text 5 45 133 6 ]",
-    "plain_layout_seq": "icon 0 8 19 20 | icon 127 9 17 17 | list item 2 29 139 27 | text 21 13 22 9 | text 5 34 133 11 | text 5 45 133 6 | toolbar 0 8 144 20 | web view 0 221 144 18",
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-      },
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-        "type": "icon",
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-      },
-      {
-        "type": "web view",
-        "position": [
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-      }
-    ]
-  },
-  {
-    "text": "a page to introduce one of the advantages of the app. in the middle of the page, there is a big image with two entries of texts below it. the text tells the advantage of the app. at the bottom of the page, there is a pager indicator.",
-    "region_id": "2586",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:image [attr:size'large'] ] [el:text [attr:repeat'2']] [el:pager indicator [attr:position'bottom'] ] ]",
-    "execution": "singleinfo : image undefined large | pager indicator bottom undefined | text undefined undefined | text undefined undefined",
-    "layout_seq_with_completion": "icon 125 222 4 4 | image 0 32 144 124 | image 72 125 0 0 | pager indicator 0 220 144 4 | text 25 176 93 12 | text 16 190 111 9",
-    "layout_seq_without_completion": "icon 125 222 4 4 | image 0 32 144 124 | image 72 125 0 0 | pager indicator 0 220 144 4 | text 25 176 93 12 | text 16 190 111 9",
-    "plain_layout_seq": "icon 125 222 4 4 | image 0 32 144 124 | image 72 125 0 0 | pager indicator 0 220 144 4 | text 25 176 93 12 | text 16 190 111 9",
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-        "type": "icon",
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-      },
-      {
-        "type": "image",
-        "position": [
-          0,
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-          1234
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-      }
-    ]
-  },
-  {
-    "text": "a page is used to name on pics. on the top of the page, there is one icon on the left and one text in the middle. below is one image, which shows the name on pics. following are two smaller images. at the bottom, there is one advertisement with one web view in it.",
-    "region_id": "1766",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:icon [attr:position 'top'] ] [el:text [attr:position 'top'] ] [el:image] [el:image [attr:repeat '2'] [attr:size 'small']] [el:advertisement [attr:position 'bottom']] [el:web view [attr:position 'bottom']] ]",
-    "execution": "singleinfo : advertisement bottom undefined | icon top undefined | image undefined small | image undefined small | image undefined undefined | text top undefined | web view bottom undefined",
-    "layout_seq_with_completion": "icon 1 13 12 11 | image 3 36 137 144 | image 11 198 47 12 | image 83 198 47 12 | text 50 14 43 9 | web view 0 221 144 18",
-    "layout_seq_without_completion": "icon 1 13 12 11 | image 3 36 137 144 | image 11 198 47 12 | image 83 198 47 12 | text 50 14 43 9 | web view 0 221 144 18",
-    "plain_layout_seq": "icon 1 13 12 11 | image 3 36 137 144 | image 11 198 47 12 | image 83 198 47 12 | text 50 14 43 9 | web view 0 221 144 18",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "web view",
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-      {
-        "type": "image",
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-        "type": "icon",
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-      },
-      {
-        "type": "text",
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-      {
-        "type": "image",
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-      },
-      {
-        "type": "image",
-        "position": [
-          834,
-          1982,
-          473,
-          119
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-      }
-    ]
-  },
-  {
-    "text": "a page about instruction. there is a big text occupying almost the page showing the details of the instruction. at the bottom of the page, there is a web view with an advertisement.",
-    "region_id": "14027",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:text [attr:size'large'] ] [el:web view[attr:position'bottom']] [el:advertisement[attr:position'bottom']] ]",
-    "execution": "singleinfo : advertisement bottom undefined | text undefined large | web view bottom undefined",
-    "layout_seq_with_completion": "text 0 8 144 203 | web view 0 211 144 28",
-    "layout_seq_without_completion": "text 0 8 144 203 | web view 0 211 144 28",
-    "plain_layout_seq": "text 0 8 144 203 | web view 0 211 144 28",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "web view",
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-      },
-      {
-        "type": "text",
-        "position": [
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-    ]
-  },
-  {
-    "text": "a page to choose the identity: parent, sitter to sign up. the whole page is the background image. on the top, there is an image. below is one with two text buttons side by side used to choose the identity: parent, sitter to sign up. at the bottom of the page, there is a text button used to log for the member.",
-    "region_id": "11123",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:background image[attr:size'large']][el:image[attr:position'top']] [el:text button[attr:repeat'2']] [el:text button[attr:position'bottom']] ]",
-    "execution": "singleinfo : background image undefined large | image top undefined | text button bottom undefined | text button undefined undefined | text button undefined undefined",
-    "layout_seq_with_completion": "background image 0 8 144 231 | image 34 14 75 13 | text 5 140 133 20 | text button 5 214 133 19 | text button 71 166 67 42 | text button 5 166 65 42",
-    "layout_seq_without_completion": "background image 0 8 144 231 | image 34 14 75 13 | text 5 140 133 20 | text button 5 214 133 19 | text button 71 166 67 42 | text button 5 166 65 42",
-    "plain_layout_seq": "background image 0 8 144 231 | image 34 14 75 13 | text 5 140 133 20 | text button 5 214 133 19 | text button 71 166 67 42 | text button 5 166 65 42",
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-    ]
-  },
-  {
-    "text": "the page is used for users to sign in. there are 4 images in the upper part of the page. in the middle of the page, there are 2 entries of input for users to enter the account and the password. below the input are two text buttons that are used to sign in. at the bottom of the page is another text button to sign up.",
-    "region_id": "5716",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:image [attr:repeat'4']] [el:input [attr:repeat'2']] [el:text button] [el:text button] [el:text button [attr:position'bottom']] ]",
-    "execution": "singleinfo : image undefined undefined | image undefined undefined | image undefined undefined | image undefined undefined | input undefined undefined | input undefined undefined | text button bottom undefined | text button undefined undefined | text button undefined undefined",
-    "layout_seq_with_completion": "image 125 11 15 12 | image 18 30 107 21 | image 0 60 144 5 | image 54 12 35 11 | image 3 89 137 1 | input 3 74 137 15 | input 3 90 137 15 | text button 4 106 140 8 | text button 3 121 137 18 | text button 3 214 137 18",
-    "layout_seq_without_completion": "image 125 11 15 12 | image 18 30 107 21 | image 0 60 144 5 | image 54 12 35 11 | image 3 89 137 1 | input 3 74 137 15 | input 3 90 137 15 | text button 4 106 140 8 | text button 3 121 137 18 | text button 3 214 137 18",
-    "plain_layout_seq": "image 125 11 15 12 | image 18 30 107 21 | image 0 60 144 5 | image 54 12 35 11 | image 3 89 137 1 | input 3 74 137 15 | input 3 90 137 15 | text button 4 106 140 8 | text button 3 121 137 18 | text button 3 214 137 18",
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-      },
-      {
-        "type": "image",
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-      },
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-        "type": "image",
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-      },
-      {
-        "type": "input",
-        "position": [
-          35,
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-      }
-    ]
-  },
-  {
-    "text": "a page showing the date. there is a long text near the top of the page. near the center of the page, there are two small icons on each side. at the bottom of the page, there is a small text button and a small text placed side by side.",
-    "region_id": "2062",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:text [attr:size'large'] [attr:position'top'] ] [el:icon [attr:size'small'] [attr:repeat'2'] ] [el:text button [attr:size'small'] [attr:position'bottom'] ] [el:text [attr:size'small'] [attr:position'bottom'] ] ]",
-    "execution": "singleinfo : icon undefined small | icon undefined small | text top large | text bottom small | text button bottom small",
-    "layout_seq_with_completion": "icon 111 81 17 16 | icon 9 81 17 16 | text 119 214 19 19 | text 15 18 113 22 | text button 90 214 29 19",
-    "layout_seq_without_completion": "icon 111 81 17 16 | icon 9 81 17 16 | text 119 214 19 19 | text 15 18 113 22 | text button 90 214 29 19",
-    "plain_layout_seq": "icon 111 81 17 16 | icon 9 81 17 16 | text 119 214 19 19 | text 15 18 113 22 | text button 90 214 29 19",
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-    ]
-  },
-  {
-    "text": "a welcome page used to start the autorap. on the top, there are two entries of text. below them is an image showing a red button used to start the autorap.",
-    "region_id": "14346",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:text [attr:repeat'2'] [attr:position'top']] [el:image] ]",
-    "execution": "singleinfo : image undefined undefined | text top undefined | text top undefined",
-    "layout_seq_with_completion": "image 57 169 29 29 | text 0 17 144 7 | text 0 74 144 7",
-    "layout_seq_without_completion": "image 57 169 29 29 | text 0 17 144 7 | text 0 74 144 7",
-    "plain_layout_seq": "image 57 169 29 29 | text 0 17 144 7 | text 0 74 144 7",
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-    ]
-  },
-  {
-    "text": "an explanation page of an app. users can see the process of importing a recipe from a wesite. there is a large toolbar with a small text inside at the top of the page. under that toolbar, there is a long text with another large text below it. the latter text occupies a huge portion of the page showing the process in detail.",
-    "region_id": "14102",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:text [attr:size'small'] ] ] ] [el:text [attr:size'large'] ] [el:text [attr:size'large'] ] ]",
-    "execution": "singleinfo : text undefined large | text undefined large | [ toolbar top undefined | text undefined small ]",
-    "layout_seq_with_completion": "text 5 44 133 195 | text 5 33 133 9 | [ toolbar 0 8 144 20 | icon 0 8 19 20 | text 21 13 61 9 ]",
-    "layout_seq_without_completion": "text 5 44 133 195 | text 5 33 133 9 | [ toolbar 0 8 144 20 | icon 0 8 19 20 | text 21 13 61 9 ]",
-    "plain_layout_seq": "icon 0 8 19 20 | text 5 44 133 195 | text 5 33 133 9 | text 21 13 61 9 | toolbar 0 8 144 20",
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-    ]
-  },
-  {
-    "text": "a staring page for the app planetromeo. the whole page is a background image. at the top, there is an image showing the logo of the app. at the bottom of the page, there are two entries with text buttons. the upper one is used to import a backup. there are two text buttons side by side in the second entry. the left one is used to login, and the right one is used to join now.",
-    "region_id": "9613",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:background image] [el:image [attr:position'top'] ] [el:text button [attr:position'bottom'][attr:repeat'3']]]",
-    "execution": "singleinfo : background image undefined undefined | image top undefined | text button bottom undefined | text button bottom undefined | text button bottom undefined",
-    "layout_seq_with_completion": "background image 0 8 144 231 | background image 0 8 144 231 | image 35 11 73 64 | image 35 11 73 64 | text button 3 209 137 7 | text button 0 219 72 20 | text button 72 219 72 20",
-    "layout_seq_without_completion": "background image 0 8 144 231 | background image 0 8 144 231 | image 35 11 73 64 | image 35 11 73 64 | text button 3 209 137 7 | text button 0 219 72 20 | text button 72 219 72 20",
-    "plain_layout_seq": "background image 0 8 144 231 | background image 0 8 144 231 | image 35 11 73 64 | image 35 11 73 64 | text button 3 209 137 7 | text button 0 219 72 20 | text button 72 219 72 20",
-    "canvas_width": 1440,
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-      },
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-        "position": [
-          720,
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-    ]
-  },
-  {
-    "text": "a page for users to know more about the app. on the top of the page, there is a text button for returning to the previous step, a text, and an image. below them is a big text, which shows the details of the app. at the bottom of the page, there are two text buttons side by side for users to know about the app or more apps.",
-    "region_id": "8780",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:text button [attr:position'top'] ] [el:text [attr:position'top']] [el:image [attr:position'top']] [el:text [attr:size'large'] ] [el:text button [attr:position'bottom']] [el:text button [attr:position'bottom']] ]",
-    "execution": "singleinfo : image top undefined | text top undefined | text undefined large | text button top undefined | text button bottom undefined | text button bottom undefined",
-    "layout_seq_with_completion": "image 125 1 17 14 | text 26 0 98 16 | text 3 16 137 206 | text button 1 1 23 15 | text button 0 223 72 16 | text button 72 223 72 16",
-    "layout_seq_without_completion": "image 125 1 17 14 | text 26 0 98 16 | text 3 16 137 206 | text button 1 1 23 15 | text button 0 223 72 16 | text button 72 223 72 16",
-    "plain_layout_seq": "image 125 1 17 14 | text 26 0 98 16 | text 3 16 137 206 | text button 1 1 23 15 | text button 0 223 72 16 | text button 72 223 72 16",
-    "canvas_width": 1440,
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-    ]
-  },
-  {
-    "text": "a page for users to code on mobile. there is one text on the top of the page, then followed by a big image and one big text. at the bottom of the page, there is a text button on the left for skipping, a pager indicator in the middle, and an image on the right.",
-    "region_id": "11659",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:text [attr:position'top']] [el:image [attr:size'large'] ] [el:text [attr:size'large'] ] [el:text button[attr:position'bottom']] [el:pager indicator[attr:position'bottom']] [el:image[attr:position'bottom']] ]",
-    "execution": "singleinfo : image bottom undefined | image undefined large | pager indicator bottom undefined | text top undefined | text undefined large | text button bottom undefined",
-    "layout_seq_with_completion": "image 38 59 67 98 | image 106 216 35 23 | pager indicator 65 216 13 23 | text 28 0 88 59 | text 0 157 144 59 | text button 2 216 35 23",
-    "layout_seq_without_completion": "image 38 59 67 98 | image 106 216 35 23 | pager indicator 65 216 13 23 | text 28 0 88 59 | text 0 157 144 59 | text button 2 216 35 23",
-    "plain_layout_seq": "image 38 59 67 98 | image 106 216 35 23 | pager indicator 65 216 13 23 | text 28 0 88 59 | text 0 157 144 59 | text button 2 216 35 23",
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-      },
-      {
-        "type": "pager indicator",
-        "position": [
-          652,
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-      }
-    ]
-  },
-  {
-    "text": "a page showing the map of a location. there is a long toolbar with a small text inside at the top of the page. under the toolbar, there is a large image showing the image. in the lower half of the page, there are two long rows of texts. near the bottom of the page, there is a long text button, which is an option for stopping the workout.",
-    "region_id": "8747",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:text [attr:size'small'] ] ] ] [el:image [attr:size'large'] ] [el:text[attr:repeat'2']] [el:text button [attr:size'large'][attr:position'bottom'] ] ]",
-    "execution": "singleinfo : image undefined large | text undefined undefined | text undefined undefined | text button bottom large | [ toolbar top undefined | text undefined small ]",
-    "layout_seq_with_completion": "image 28 35 87 98 | text 32 160 79 11 | text 8 176 127 13 | text button 7 213 130 17 | [ toolbar 0 8 143 20 | image 0 8 19 20 | text 25 13 32 9 ]",
-    "layout_seq_without_completion": "image 28 35 87 98 | text 32 160 79 11 | text 8 176 127 13 | text button 7 213 130 17 | [ toolbar 0 8 143 20 | image 0 8 19 20 | text 25 13 32 9 ]",
-    "plain_layout_seq": "image 28 35 87 98 | image 0 8 19 20 | text 32 160 79 11 | text 8 176 127 13 | text 25 13 32 9 | text button 7 213 130 17 | toolbar 0 8 143 20",
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-  },
-  {
-    "text": "a page for introducing the usage of switch icon. on the top of the page, there are two icons on both sides. the right switch icon is used to check message secret viewer in notification setting. under the left icon, there is one short text. on the lower part of the page, there are one long text. the following is one text button represents the ok.",
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-    "execution": "singleinfo : icon top undefined | icon top undefined | text bottom large | text undefined small | text button bottom undefined",
-    "layout_seq_with_completion": "icon 0 10 16 16 | icon 112 10 16 16 | text 0 26 19 8 | text 0 150 144 16 | text button 56 187 31 17",
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-        "position": [
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-          168
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-      }
-    ]
-  },
-  {
-    "text": "a page to select the preferred language. on the top, there is a text. below are two entries of text buttons used to choose the language including english and spanish. in the second text button, there is a image and text. at the bottom of the page, there is two small images in the middle. on the right of the image, there is a text button used to finish the page.",
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-    "execution": "singleinfo : image bottom small | image bottom small | image undefined undefined | text top undefined | text undefined undefined | text button right undefined | text button undefined undefined | text button undefined undefined",
-    "layout_seq_with_completion": "image 65 225 7 3 | image 72 225 6 3 | text 5 14 133 9 | text button 109 221 35 10 | text button 7 32 130 19 | [ list item 7 51 130 19 | image 7 55 12 12 | text 23 55 114 12 ]",
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-        "position": [
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-  },
-  {
-    "text": "a page showing the map of a city. there is a long toolbar with a small icon and a text at the top of the page. there are five small icons placed side by side separately right under that toolbar. below these icons, there is another smaller icon on the right side. at the bottom of the page, there is another small icon.",
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-    "execution": "singleinfo : icon bottom small | icon right small | icon undefined small | icon undefined small | icon undefined small | icon undefined small | icon undefined small | [ toolbar top undefined | icon undefined small | text undefined undefined ]",
-    "layout_seq_with_completion": "icon 30 28 25 25 | icon 125 60 15 14 | icon 1 28 26 25 | icon 59 28 25 25 | icon 88 28 25 25 | icon 117 28 25 25 | icon 1 229 21 8 | [ toolbar 0 8 144 20 | icon 0 8 19 20 | text 25 12 50 11 ]",
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-    "plain_layout_seq": "icon 30 28 25 25 | icon 125 60 15 14 | icon 1 28 26 25 | icon 59 28 25 25 | icon 88 28 25 25 | icon 117 28 25 25 | icon 1 229 21 8 | icon 0 8 19 20 | text 25 12 50 11 | toolbar 0 8 144 20",
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-        "position": [
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-    ]
-  },
-  {
-    "text": "a page to comment. on the top, there is a toolbar with one icon used to return to the last page and text on the left in it. in the middle of the page, there is a text telling there is no comment. at the bottom of the page, there is an input with an icon on the right used to leave the user's comment and send the comment on the recipe.",
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-    "execution": "singleinfo : icon bottom undefined | input bottom undefined | text undefined undefined | [ toolbar top undefined | icon left undefined | text left undefined ]",
-    "layout_seq_with_completion": "icon 122 213 19 24 | input 2 213 120 24 | text 7 100 129 38 | [ toolbar 0 8 144 20 | icon 0 8 19 20 | text 21 13 30 9 ]",
-    "layout_seq_without_completion": "icon 122 213 19 24 | input 2 213 120 24 | text 7 100 129 38 | [ toolbar 0 8 144 20 | icon 0 8 19 20 | text 21 13 30 9 ]",
-    "plain_layout_seq": "icon 122 213 19 24 | icon 0 8 19 20 | input 2 213 120 24 | text 7 100 129 38 | text 21 13 30 9 | toolbar 0 8 144 20",
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-    ]
-  },
-  {
-    "text": "a page for selecting payment methods. there is a long toolbar with a small image and a small text inside at the top of the page.",
-    "region_id": "8926",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:image [attr:size'small'] ] [el:text [attr:size'small'] ] ] ] ]",
-    "execution": "singleinfo : [ toolbar top undefined | image undefined small | text undefined small ]",
-    "layout_seq_with_completion": "[ toolbar 0 8 144 20 | icon 0 8 19 20 | image 19 12 11 11 | text 32 13 75 9 ]",
-    "layout_seq_without_completion": "[ toolbar 0 8 144 20 | icon 0 8 19 20 | image 19 12 11 11 | text 32 13 75 9 ]",
-    "plain_layout_seq": "icon 0 8 19 20 | image 19 12 11 11 | text 32 13 75 9 | toolbar 0 8 144 20",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
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-        "position": [
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-        "type": "icon",
-        "position": [
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-        "position": [
-          0,
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-          196
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-    ]
-  },
-  {
-    "text": "a page to select gender in myperiod tracker. on the top, there is one text in the middle, and a text button is used to skip the page on the right. below them is one text. below are four entries of texts divided into two parts. the first two entries are used to select the female. the second two entries are used to select the male. and on the right of the text is an icon.",
-    "region_id": "12726",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:text [attr:position'top'] ] [el:text button [attr:position'right'] ] [el:text] [el:text [attr:repeat'4'] ] [el:icon [attr:repeat'2'] ] ]",
-    "execution": "singleinfo : icon undefined undefined | icon undefined undefined | text top undefined | text undefined undefined | text undefined undefined | text undefined undefined | text undefined undefined | text undefined undefined | text button right undefined",
-    "layout_seq_with_completion": "icon 132 36 12 12 | icon 132 59 12 12 | text 0 20 144 11 | text 11 9 54 10 | text 5 33 139 9 | text 5 42 139 6 | text 5 56 139 9 | text 5 65 139 6 | text button 122 8 22 12",
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-    "plain_layout_seq": "icon 132 36 12 12 | icon 132 59 12 12 | text 0 20 144 11 | text 11 9 54 10 | text 5 33 139 9 | text 5 42 139 6 | text 5 56 139 9 | text 5 65 139 6 | text button 122 8 22 12",
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-  {
-    "text": "a page about a comic. there are two big list items that occupy the whole page divided into two entries equally. and there are two images showing the content of the comic in the list items respectively.",
-    "region_id": "6355",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:list item [gattr:size'large'] [item [el:image]] ] [gp:list item [gattr:size'large'] [item [el:image]] ] ]",
-    "execution": "singleinfo : [ list item undefined large | image undefined undefined ] | [ list item undefined large | image undefined undefined ]",
-    "layout_seq_with_completion": "image 0 141 144 98 | image 0 8 144 133",
-    "layout_seq_without_completion": "image 0 141 144 98 | image 0 8 144 133",
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-        "position": [
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-          1418,
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-      }
-    ]
-  },
-  {
-    "text": "this is a page for a group video call. on the top, there is an icon on the left and three texts on the right. at the bottom, there is one text and four icons under it.",
-    "region_id": "5863",
-    "region_type": "SingleInfo",
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-    "execution": "singleinfo : icon top undefined | icon bottom undefined | icon bottom undefined | icon bottom undefined | icon bottom undefined | text top undefined | text top undefined | text top undefined | text bottom undefined",
-    "layout_seq_with_completion": "icon 16 209 21 22 | icon 2 6 23 22 | icon 46 209 21 22 | icon 106 209 22 22 | icon 76 209 21 22 | text 42 42 59 6 | text 0 188 144 18 | text 32 5 112 15 | text 32 20 48 9",
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-  },
-  {
-    "text": "this is a page for help. on the top, there is a toolbar with three icons and one text. below, there is a list item with one text.",
-    "region_id": "9895",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:icon] [el:icon] [el:icon] [el:text] ] ] [gp:list item [item [el:text] ] ] ]",
-    "execution": "singleinfo : [ toolbar top undefined | icon undefined undefined | icon undefined undefined | icon undefined undefined | text undefined undefined ] | [ list item undefined undefined | text undefined undefined ]",
-    "layout_seq_with_completion": "[ toolbar 0 8 144 20 | icon 0 8 19 20 | icon 127 9 17 17 | icon 110 9 17 17 | text 21 13 14 9 ] | [ list item 0 28 144 22 | text 7 33 29 10 ]",
-    "layout_seq_without_completion": "[ toolbar 0 8 144 20 | icon 0 8 19 20 | icon 127 9 17 17 | icon 110 9 17 17 | text 21 13 14 9 ] | [ list item 0 28 144 22 | text 7 33 29 10 ]",
-    "plain_layout_seq": "icon 0 8 19 20 | icon 127 9 17 17 | icon 110 9 17 17 | list item 0 28 144 22 | text 21 13 14 9 | text 7 33 29 10 | toolbar 0 8 144 20",
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-        "type": "toolbar",
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-          84,
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-        "position": [
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-    ]
-  },
-  {
-    "text": "a page for installing an app. on the top, there is an image and a text including a text button for browser. below is an image occupying the upper page. the following is a text with an image below it. then, there are three texts side by side. below is an image. on the bottom, there is a text button for installing the app.",
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-    "execution": "singleinfo : image top undefined | image undefined undefined | image undefined undefined | image undefined undefined | text top undefined | text undefined undefined | text undefined undefined | text undefined undefined | text undefined undefined | text button top undefined | text button bottom undefined",
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-        "type": "image",
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-        "position": [
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-      }
-    ]
-  },
-  {
-    "text": "a page for news reading. there is a web view occupying most of the page. on the bottom, there is a text on the left and an icon on the right.",
-    "region_id": "10638",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:web view [attr:size'large']] [el:text [attr:position'bottom']] [el:icon [attr:position'bottom']] ]",
-    "execution": "singleinfo : icon bottom undefined | text bottom undefined | web view undefined large",
-    "layout_seq_with_completion": "icon 118 214 20 19 | web view 5 8 133 231",
-    "layout_seq_without_completion": "icon 118 214 20 19 | web view 5 8 133 231",
-    "plain_layout_seq": "icon 118 214 20 19 | web view 5 8 133 231",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "icon",
-        "position": [
-          1188,
-          2140,
-          196,
-          196
-        ]
-      },
-      {
-        "type": "web view",
-        "position": [
-          56,
-          84,
-          1328,
-          2308
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-      }
-    ]
-  },
-  {
-    "text": "the page is for payment methods. on the top, there is a toolbar with an icon and a text on the left. below the toolbar is a text and three text buttons for linking a payment method.",
-    "region_id": "3550",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:icon] [el:text] ] ] [el:text] [el:text button[attr:repeat'3']] ]",
-    "execution": "singleinfo : text undefined undefined | text button undefined undefined | text button undefined undefined | text button undefined undefined | [ toolbar top undefined | icon undefined undefined | text undefined undefined ]",
-    "layout_seq_with_completion": "text 5 33 133 16 | text button 5 49 133 23 | text button 5 72 133 23 | text button 5 96 133 22 | [ toolbar 0 8 144 20 | icon 0 8 19 20 | text 21 14 70 8 ]",
-    "layout_seq_without_completion": "text 5 33 133 16 | text button 5 49 133 23 | text button 5 72 133 23 | text button 5 96 133 22 | [ toolbar 0 8 144 20 | icon 0 8 19 20 | text 21 14 70 8 ]",
-    "plain_layout_seq": "icon 0 8 19 20 | text 5 33 133 16 | text 21 14 70 8 | text button 5 49 133 23 | text button 5 72 133 23 | text button 5 96 133 22 | toolbar 0 8 144 20",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
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-        "type": "text",
-        "position": [
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-          79
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-      {
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-          196
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-      {
-        "type": "toolbar",
-        "position": [
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-          196
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-      {
-        "type": "text",
-        "position": [
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-          1328,
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-      },
-      {
-        "type": "text button",
-        "position": [
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-          224
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-      },
-      {
-        "type": "text button",
-        "position": [
-          56,
-          729,
-          1328,
-          224
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-      },
-      {
-        "type": "text button",
-        "position": [
-          56,
-          960,
-          1328,
-          224
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-      }
-    ]
-  },
-  {
-    "text": "a search page for an app. users can use this app to locate gas stations nearby. there is a small icon and three small images placed side by side at the top of the page. right under that icon, there are three rows of long texts showing the result of the search.",
-    "region_id": "7085",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:icon [attr:size'small'] [attr:position'top']] [el:image [attr:size'small'] [attr:position'top'][attr:repeat'3']] [el:text [attr:repeat'3'][attr:size'large']]]",
-    "execution": "singleinfo : icon top small | image top small | image top small | image top small | text undefined large | text undefined large | text undefined large",
-    "layout_seq_with_completion": "icon 0 8 36 17 | image 36 8 36 17 | image 72 8 35 17 | image 107 8 36 17 | text 0 26 144 10 | text 0 47 144 13 | text 0 36 144 11",
-    "layout_seq_without_completion": "icon 0 8 36 17 | image 36 8 36 17 | image 72 8 35 17 | image 107 8 36 17 | text 0 26 144 10 | text 0 47 144 13 | text 0 36 144 11",
-    "plain_layout_seq": "icon 0 8 36 17 | image 36 8 36 17 | image 72 8 35 17 | image 107 8 36 17 | text 0 26 144 10 | text 0 47 144 13 | text 0 36 144 11",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
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-        "type": "icon",
-        "position": [
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-          84,
-          360,
-          168
-        ]
-      },
-      {
-        "type": "image",
-        "position": [
-          360,
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-          360,
-          168
-        ]
-      },
-      {
-        "type": "image",
-        "position": [
-          720,
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-          359,
-          168
-        ]
-      },
-      {
-        "type": "image",
-        "position": [
-          1079,
-          84,
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-          168
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-      },
-      {
-        "type": "text",
-        "position": [
-          0,
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-      },
-      {
-        "type": "text",
-        "position": [
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-          1440,
-          137
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-      },
-      {
-        "type": "text",
-        "position": [
-          0,
-          368,
-          1440,
-          102
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-    ]
-  },
-  {
-    "text": "a recipe-collection page for an app. there is a large image occupying more than half of the page. under the image, there are two rows of texts placed on top of the other giving users instructions. right under the texts, there is a small page indicator.",
-    "region_id": "4887",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:image [attr:size'large'] ] [el:text [attr:repeat'2'] ] [el:pager indicator] ]",
-    "execution": "singleinfo : image undefined large | pager indicator undefined undefined | text undefined undefined | text undefined undefined",
-    "layout_seq_with_completion": "image 0 0 144 167 | pager indicator 58 229 28 10 | text 0 176 144 14 | text 0 190 144 40",
-    "layout_seq_without_completion": "image 0 0 144 167 | pager indicator 58 229 28 10 | text 0 176 144 14 | text 0 190 144 40",
-    "plain_layout_seq": "image 0 0 144 167 | pager indicator 58 229 28 10 | text 0 176 144 14 | text 0 190 144 40",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
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-        "type": "image",
-        "position": [
-          0,
-          0,
-          1440,
-          1674
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-      },
-      {
-        "type": "pager indicator",
-        "position": [
-          580,
-          2290,
-          280,
-          102
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          0,
-          1762,
-          1440,
-          142
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-      },
-      {
-        "type": "text",
-        "position": [
-          0,
-          1904,
-          1440,
-          400
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a page showing information regarding subway time. there is a long toolbar at the top of the page with some icons and a text in it. under that toolbar, there is a large web view taking up a huge portion of the page. users can check subway time in this web view.",
-    "region_id": "4413",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:text] ] ] [el:web view [attr:size'large'] ] ]",
-    "execution": "singleinfo : web view undefined large | [ toolbar top undefined | text undefined undefined ]",
-    "layout_seq_with_completion": "web view 0 25 144 214 | [ toolbar 0 8 144 17 | icon 4 11 11 11 | icon 2 8 14 17 | icon 104 8 20 17 | icon 124 8 20 17 | text 16 12 58 9 ]",
-    "layout_seq_without_completion": "web view 0 25 144 214 | [ toolbar 0 8 144 17 | icon 4 11 11 11 | icon 2 8 14 17 | icon 104 8 20 17 | icon 124 8 20 17 | text 16 12 58 9 ]",
-    "plain_layout_seq": "icon 4 11 11 11 | icon 2 8 14 17 | icon 104 8 20 17 | icon 124 8 20 17 | text 16 12 58 9 | toolbar 0 8 144 17 | web view 0 25 144 214",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "icon",
-        "position": [
-          43,
-          112,
-          112,
-          112
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-      },
-      {
-        "type": "icon",
-        "position": [
-          29,
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-          140,
-          168
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-      },
-      {
-        "type": "icon",
-        "position": [
-          1048,
-          84,
-          196,
-          168
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-      },
-      {
-        "type": "icon",
-        "position": [
-          1244,
-          84,
-          196,
-          168
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-      },
-      {
-        "type": "text",
-        "position": [
-          169,
-          125,
-          578,
-          85
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-      },
-      {
-        "type": "toolbar",
-        "position": [
-          0,
-          84,
-          1440,
-          168
-        ]
-      },
-      {
-        "type": "web view",
-        "position": [
-          0,
-          252,
-          1440,
-          2140
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a page to register for a free 30-day trial. on the top, there is a toolbar with two entries of small texts on the left. below the toolbar, there are three entries of inputs used to input email and password. at the bottom of the page, there is a pager indicator.",
-    "region_id": "14463",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:text [attr:repeat'2'] [attr:size'small'] [attr:position'left']]]] [el:input [attr:repeat'3']] [el:pager indicator [attr:position'bottom']] ]",
-    "execution": "singleinfo : input undefined undefined | input undefined undefined | input undefined undefined | pager indicator bottom undefined | [ toolbar top undefined | text left small | text left small ]",
-    "layout_seq_with_completion": "input 5 33 133 17 | input 5 60 133 17 | input 5 87 133 16 | pager indicator 0 222 144 17 | [ toolbar 0 8 144 20 | text 5 9 88 10 | text 5 19 22 7 ]",
-    "layout_seq_without_completion": "input 5 33 133 17 | input 5 60 133 17 | input 5 87 133 16 | pager indicator 0 222 144 17 | [ toolbar 0 8 144 20 | text 5 9 88 10 | text 5 19 22 7 ]",
-    "plain_layout_seq": "input 5 33 133 17 | input 5 60 133 17 | input 5 87 133 16 | pager indicator 0 222 144 17 | text 5 9 88 10 | text 5 19 22 7 | toolbar 0 8 144 20",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "text",
-        "position": [
-          56,
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-          881,
-          93
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-      },
-      {
-        "type": "text",
-        "position": [
-          56,
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-      },
-      {
-        "type": "toolbar",
-        "position": [
-          0,
-          84,
-          1440,
-          196
-        ]
-      },
-      {
-        "type": "pager indicator",
-        "position": [
-          0,
-          2224,
-          1440,
-          168
-        ]
-      },
-      {
-        "type": "input",
-        "position": [
-          56,
-          336,
-          1328,
-          168
-        ]
-      },
-      {
-        "type": "input",
-        "position": [
-          56,
-          603,
-          1328,
-          168
-        ]
-      },
-      {
-        "type": "input",
-        "position": [
-          56,
-          870,
-          1328,
-          168
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a page about \"map info\". there is a text on the top. below are three entries of the image.",
-    "region_id": "13219",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:text [attr:position'top'] ] [el:image [attr:repeat'3']] ]",
-    "execution": "singleinfo : image undefined undefined | image undefined undefined | image undefined undefined | text top undefined",
-    "layout_seq_with_completion": "image 5 159 133 74 | image 5 37 133 34 | image 5 76 133 77 | text 0 8 144 24",
-    "layout_seq_without_completion": "image 5 159 133 74 | image 5 37 133 34 | image 5 76 133 77 | text 0 8 144 24",
-    "plain_layout_seq": "image 5 159 133 74 | image 5 37 133 34 | image 5 76 133 77 | text 0 8 144 24",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "text",
-        "position": [
-          0,
-          84,
-          1440,
-          238
-        ]
-      },
-      {
-        "type": "image",
-        "position": [
-          56,
-          378,
-          1328,
-          335
-        ]
-      },
-      {
-        "type": "image",
-        "position": [
-          56,
-          769,
-          1328,
-          770
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-      },
-      {
-        "type": "image",
-        "position": [
-          56,
-          1595,
-          1328,
-          741
-        ]
-      }
-    ]
-  },
-  {
-    "text": "the page shows the featured apps. on top of the page is a toolbar with an icon on the left. the text is next to the icon. below the toolbar is a web view to show the featured apps.",
-    "region_id": "1953",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:icon [attr:position'left'] ] ] ] [el:web view] ]",
-    "execution": "singleinfo : web view undefined undefined | [ toolbar top undefined | icon left undefined ]",
-    "layout_seq_with_completion": "web view 0 25 144 214 | [ toolbar 0 8 144 17 | icon 0 8 5 17 | icon 0 14 5 5 | text 5 12 41 9 ]",
-    "layout_seq_without_completion": "web view 0 25 144 214 | [ toolbar 0 8 144 17 | icon 0 8 5 17 | icon 0 14 5 5 | text 5 12 41 9 ]",
-    "plain_layout_seq": "icon 0 8 5 17 | icon 0 14 5 5 | text 5 12 41 9 | toolbar 0 8 144 17 | web view 0 25 144 214",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "icon",
-        "position": [
-          0,
-          140,
-          56,
-          56
-        ]
-      },
-      {
-        "type": "icon",
-        "position": [
-          0,
-          84,
-          56,
-          168
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          56,
-          125,
-          405,
-          85
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-      },
-      {
-        "type": "toolbar",
-        "position": [
-          0,
-          84,
-          1440,
-          168
-        ]
-      },
-      {
-        "type": "web view",
-        "position": [
-          0,
-          252,
-          1440,
-          2140
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a page for a game. on the top, there is a text button used to start to tickle the cat in the game. below is an image. at the bottom of the page, there is a big advertisement occupying half the page.",
-    "region_id": "2616",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:text button] [el:image] [el:advertisement [attr:size'large'] [attr:position'bottom'] ] ]",
-    "execution": "singleinfo : advertisement bottom large | image undefined undefined | text button undefined undefined",
-    "layout_seq_with_completion": "advertisement 0 119 143 119 | image 0 34 144 39 | text button 0 0 144 34",
-    "layout_seq_without_completion": "advertisement 0 119 143 119 | image 0 34 144 39 | text button 0 0 144 34",
-    "plain_layout_seq": "advertisement 0 119 143 119 | image 0 34 144 39 | text button 0 0 144 34",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "advertisement",
-        "position": [
-          2,
-          1199,
-          1435,
-          1190
-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          0,
-          0,
-          1440,
-          343
-        ]
-      },
-      {
-        "type": "image",
-        "position": [
-          0,
-          343,
-          1440,
-          393
-        ]
-      }
-    ]
-  },
-  {
-    "text": "the page is used to select the payment type. there is a toolbar on the top with an icon and a text on the left. in the middle, there is a text and a text button for authorization.",
-    "region_id": "2514",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:icon] [el:text[attr:position'left']] ] ] [el:text] [el:text button] ]",
-    "execution": "singleinfo : text undefined undefined | text button undefined undefined | [ toolbar top undefined | icon undefined undefined | text left undefined ]",
-    "layout_seq_with_completion": "text 0 106 144 18 | text button 49 124 46 17 | [ toolbar 0 8 144 20 | icon 0 8 19 20 | text 25 14 22 8 ]",
-    "layout_seq_without_completion": "text 0 106 144 18 | text button 49 124 46 17 | [ toolbar 0 8 144 20 | icon 0 8 19 20 | text 25 14 22 8 ]",
-    "plain_layout_seq": "icon 0 8 19 20 | text 0 106 144 18 | text 25 14 22 8 | text button 49 124 46 17 | toolbar 0 8 144 20",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "text",
-        "position": [
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-      },
-      {
-        "type": "text button",
-        "position": [
-          490,
-          1243,
-          460,
-          168
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-      },
-      {
-        "type": "text",
-        "position": [
-          252,
-          144,
-          222,
-          76
-        ]
-      },
-      {
-        "type": "icon",
-        "position": [
-          0,
-          84,
-          196,
-          196
-        ]
-      },
-      {
-        "type": "toolbar",
-        "position": [
-          0,
-          84,
-          1440,
-          196
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a page for confirming the connected device is not headphones. there is an icon and two entries of text in the middle of the page. below them is a text button for confirmation.",
-    "region_id": "9710",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:icon] [el:text [attr:repeat'2'] ] [el:text button] ]",
-    "execution": "singleinfo : icon undefined undefined | text undefined undefined | text undefined undefined | text button undefined undefined",
-    "layout_seq_with_completion": "icon 62 93 19 18 | text 36 114 71 8 | text 7 124 129 15 | text button 7 149 129 17",
-    "layout_seq_without_completion": "icon 62 93 19 18 | text 36 114 71 8 | text 7 124 129 15 | text button 7 149 129 17",
-    "plain_layout_seq": "icon 62 93 19 18 | text 36 114 71 8 | text 7 124 129 15 | text button 7 149 129 17",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "icon",
-        "position": [
-          629,
-          937,
-          182,
-          182
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          360,
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-          719,
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-      },
-      {
-        "type": "text",
-        "position": [
-          77,
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-          1286,
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-      },
-      {
-        "type": "text button",
-        "position": [
-          77,
-          1496,
-          1286,
-          168
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a page showing the cartoon of an app. there is an image at the center of the page showing the cartoon.",
-    "region_id": "11857",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:image] ]",
-    "execution": "singleinfo : image undefined undefined",
-    "layout_seq_with_completion": "image 37 88 70 70",
-    "layout_seq_without_completion": "image 37 88 70 70",
-    "plain_layout_seq": "image 37 88 70 70",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "image",
-        "position": [
-          370,
-          888,
-          700,
-          700
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a page for google map to show the positioning. at the top of the page, there is a toolbar. in the toolbar, there is an icon on the left to return to the previous page and an icon on the left showing the menu of the page. at the bottom of the page, there is an image on the left and an icon on the left.",
-    "region_id": "1790",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:icon [attr:position'left'] ] [el:icon [attr:position'right'] ] ] ] [el:image [attr:position'bottom'] ] [el:icon [attr:position'bottom'] ] ]",
-    "execution": "singleinfo : icon bottom undefined | image bottom undefined | [ toolbar top undefined | icon left undefined | icon right undefined ]",
-    "layout_seq_with_completion": "icon 118 214 20 19 | image 1 229 21 8 | [ toolbar 0 8 144 25 | icon 0 8 19 20 | icon 118 8 26 25 ]",
-    "layout_seq_without_completion": "icon 118 214 20 19 | image 1 229 21 8 | [ toolbar 0 8 144 25 | icon 0 8 19 20 | icon 118 8 26 25 ]",
-    "plain_layout_seq": "icon 118 214 20 19 | icon 0 8 19 20 | icon 118 8 26 25 | image 1 229 21 8 | toolbar 0 8 144 25",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
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-        "position": [
-          0,
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-      {
-        "type": "icon",
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-          1188,
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-          252
-        ]
-      },
-      {
-        "type": "toolbar",
-        "position": [
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-      {
-        "type": "icon",
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-          2140,
-          196,
-          196
-        ]
-      },
-      {
-        "type": "image",
-        "position": [
-          18,
-          2297,
-          210,
-          77
-        ]
-      }
-    ]
-  },
-  {
-    "text": "the page is used to check users' transaction history. on the top of the page, there is a toolbar with an icon on the left and one text next to the icon. below the toolbar is an entry of text to show the user's current transaction history.",
-    "region_id": "3544",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:icon [attr:position'left']] [el:text] ] ] [el:text] ]",
-    "execution": "singleinfo : text undefined undefined | [ toolbar top undefined | icon left undefined | text undefined undefined ]",
-    "layout_seq_with_completion": "text 8 36 127 5 | [ toolbar 0 8 144 20 | icon 0 8 19 20 | text 21 14 32 8 ]",
-    "layout_seq_without_completion": "text 8 36 127 5 | [ toolbar 0 8 144 20 | icon 0 8 19 20 | text 21 14 32 8 ]",
-    "plain_layout_seq": "icon 0 8 19 20 | text 8 36 127 5 | text 21 14 32 8 | toolbar 0 8 144 20",
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-      {
-        "type": "text",
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-    ]
-  },
-  {
-    "text": "a page is for registration. on the top, there are two texts followed by one text button where users can choose their nation. next, there is one input, where users can input their phone numbers. below is one input on the left and one text on the right. next, there is one text button.",
-    "region_id": "5905",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:text[attr:position'top']] [el:text [attr:position'top']] [el:text button] [el:input] [el:input] [el:input [attr:position'left']] [el:text [attr:position'right']] [el:text button] ]",
-    "execution": "singleinfo : input left undefined | input undefined undefined | input undefined undefined | text top undefined | text top undefined | text right undefined | text button undefined undefined | text button undefined undefined",
-    "layout_seq_with_completion": "input 3 80 11 11 | input 5 61 133 15 | text 7 30 137 7 | text 0 8 144 17 | text 14 79 126 13 | text button 5 42 133 17 | text button 5 95 133 16",
-    "layout_seq_without_completion": "input 3 80 11 11 | input 5 61 133 15 | text 7 30 137 7 | text 0 8 144 17 | text 14 79 126 13 | text button 5 42 133 17 | text button 5 95 133 16",
-    "plain_layout_seq": "input 3 80 11 11 | input 5 61 133 15 | text 7 30 137 7 | text 0 8 144 17 | text 14 79 126 13 | text button 5 42 133 17 | text button 5 95 133 16",
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-      {
-        "type": "text button",
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-      {
-        "type": "text",
-        "position": [
-          147,
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-    ]
-  },
-  {
-    "text": "a page to log in for an app. on the top, there is a toolbar with an icon on the left and a small text in the middle. below is an image with one text telling the user to enter the verification code sent below it. below them is an input used to enter the verification code. below is a text button used to resent the code if the user does not receive it. at the bottom of the page, there is a text button used to log in.",
-    "region_id": "2120",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:icon [attr:position'left']] [el:text [attr:size'small'] ] ] ] [el:image] [el:text] [el:input] [el:text button] [el:text button [attr:position'bottom'] ] ]",
-    "execution": "singleinfo : image undefined undefined | input undefined undefined | text undefined undefined | text button bottom undefined | text button undefined undefined | [ toolbar top undefined | icon left undefined | text undefined small ]",
-    "layout_seq_with_completion": "image 10 38 123 49 | input 37 124 70 20 | text 7 91 130 30 | text button 0 222 144 17 | text button 7 145 130 15 | [ toolbar 0 8 144 20 | icon 5 14 9 7 | text 27 8 90 20 ]",
-    "layout_seq_without_completion": "image 10 38 123 49 | input 37 124 70 20 | text 7 91 130 30 | text button 0 222 144 17 | text button 7 145 130 15 | [ toolbar 0 8 144 20 | icon 5 14 9 7 | text 27 8 90 20 ]",
-    "plain_layout_seq": "icon 5 14 9 7 | image 10 38 123 49 | input 37 124 70 20 | text 7 91 130 30 | text 27 8 90 20 | text button 0 222 144 17 | text button 7 145 130 15 | toolbar 0 8 144 20",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
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-        "type": "text",
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-        "type": "toolbar",
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-        "type": "text button",
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-        "type": "text",
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-      },
-      {
-        "type": "text button",
-        "position": [
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-          155
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-      }
-    ]
-  },
-  {
-    "text": "this is a page for a brief. on the top, there is a toolbar with a text button and one text. below, there are two texts and three images. there is a web view that occupies most of the page, where users can read the brief.",
-    "region_id": "11066",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:text button] [el:text] ] ] [el:text] [el:text] [el:image] [el:image] [el:image] [el:web view [attr:size'large']] ]",
-    "execution": "singleinfo : image undefined undefined | image undefined undefined | image undefined undefined | text undefined undefined | text undefined undefined | web view undefined large | [ toolbar top undefined | text undefined undefined | text button undefined undefined ]",
-    "layout_seq_with_completion": "icon 72 39 36 19 | icon 15 39 5 3 | image 0 39 36 19 | image 36 39 36 19 | image 108 39 36 19 | text 0 28 144 11 | web view 0 58 144 181 | [ toolbar 0 8 144 20 | text 61 14 26 8 | text button 5 9 24 17 ]",
-    "layout_seq_without_completion": "icon 72 39 36 19 | icon 15 39 5 3 | image 0 39 36 19 | image 36 39 36 19 | image 108 39 36 19 | text 0 28 144 11 | web view 0 58 144 181 | [ toolbar 0 8 144 20 | text 61 14 26 8 | text button 5 9 24 17 ]",
-    "plain_layout_seq": "icon 72 39 36 19 | icon 15 39 5 3 | image 0 39 36 19 | image 36 39 36 19 | image 108 39 36 19 | text 0 28 144 11 | text 61 14 26 8 | text button 5 9 24 17 | toolbar 0 8 144 20 | web view 0 58 144 181",
-    "canvas_width": 1440,
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-        "type": "web view",
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-      {
-        "type": "image",
-        "position": [
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-      {
-        "type": "image",
-        "position": [
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-      {
-        "type": "icon",
-        "position": [
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-      },
-      {
-        "type": "image",
-        "position": [
-          1080,
-          399,
-          360,
-          182
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-      }
-    ]
-  },
-  {
-    "text": "a page for adding tags to the profile. there are three rows of texts at the upper portion of the page showing the steps to do the adding. there is an amage right under the third text. at the bottom of the page there is a small text and a text button.",
-    "region_id": "7808",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:text[attr:repeat'3'][attr:position'top']][el:text [attr:size'small'] ] [el:text button] ]",
-    "execution": "singleinfo : text top undefined | text top undefined | text top undefined | text undefined small | text button undefined undefined",
-    "layout_seq_with_completion": "image 65 66 13 17 | text 0 8 144 15 | text 3 29 137 23 | text 1 54 139 12 | text 64 226 15 8 | text button 123 227 21 6",
-    "layout_seq_without_completion": "image 65 66 13 17 | text 0 8 144 15 | text 3 29 137 23 | text 1 54 139 12 | text 64 226 15 8 | text button 123 227 21 6",
-    "plain_layout_seq": "image 65 66 13 17 | text 0 8 144 15 | text 3 29 137 23 | text 1 54 139 12 | text 64 226 15 8 | text button 123 227 21 6",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
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-      {
-        "type": "text",
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-      },
-      {
-        "type": "text button",
-        "position": [
-          1239,
-          2270,
-          201,
-          68
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-      }
-    ]
-  },
-  {
-    "text": "the page is used for login into an app. on the top of the page, there is one image of the app followed by two texts. in the middle of the page, there is one text and two inputs for entering the mobile number and password. in the left corner of the second input, there is a text button for showing the password. following are three text buttons to click if you forget your password, log in, or register a new account.",
-    "region_id": "9450",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:image [attr:position'top']] [el:text] [el:text] [el:text] [el:input] [el:input] [el:text button] [el:text button] [el:text button] [el:text button] ]",
-    "execution": "singleinfo : image top undefined | input undefined undefined | input undefined undefined | text undefined undefined | text undefined undefined | text undefined undefined | text button undefined undefined | text button undefined undefined | text button undefined undefined | text button undefined undefined",
-    "layout_seq_with_completion": "image 65 39 14 14 | input 14 89 116 19 | input 14 108 116 20 | text 28 89 15 19 | text 0 59 144 11 | text 0 73 144 7 | text button 52 133 39 9 | text button 14 174 116 34 | text button 116 115 14 9 | text button 14 147 116 13",
-    "layout_seq_without_completion": "image 65 39 14 14 | input 14 89 116 19 | input 14 108 116 20 | text 28 89 15 19 | text 0 59 144 11 | text 0 73 144 7 | text button 52 133 39 9 | text button 14 174 116 34 | text button 116 115 14 9 | text button 14 147 116 13",
-    "plain_layout_seq": "image 65 39 14 14 | input 14 89 116 19 | input 14 108 116 20 | text 28 89 15 19 | text 0 59 144 11 | text 0 73 144 7 | text button 52 133 39 9 | text button 14 174 116 34 | text button 116 115 14 9 | text button 14 147 116 13",
-    "canvas_width": 1440,
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-    "elements": [
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-      {
-        "type": "text button",
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-      },
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-        "type": "text button",
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-      {
-        "type": "text button",
-        "position": [
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-      },
-      {
-        "type": "input",
-        "position": [
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-      },
-      {
-        "type": "input",
-        "position": [
-          140,
-          1086,
-          1160,
-          196
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a page for users to choose whether to hide age rating 18+ books. on the top of the page, there is a toolbar with one text in it. below them are two texts with an icon between them, then followed by a text button for choosing to hide age rating 18+ books. at the bottom of the page, there is a pager indicator and a text button, which represents completion.",
-    "region_id": "4475",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:text] ] ] [el:text] [el:text] [el:icon] [el:text button] [el:pager indicator [attr:position'bottom']] [el:text button [attr:position'bottom']] ]",
-    "execution": "singleinfo : icon undefined undefined | pager indicator bottom undefined | text undefined undefined | text undefined undefined | text button bottom undefined | text button undefined undefined | [ toolbar top undefined | text undefined undefined ]",
-    "layout_seq_with_completion": "icon 60 45 23 22 | pager indicator 65 216 13 23 | text 7 31 130 10 | text 7 67 130 16 | text button 7 87 72 11 | text button 106 216 35 23 | [ toolbar 0 8 144 20 | text 5 13 51 9 ]",
-    "layout_seq_without_completion": "icon 60 45 23 22 | pager indicator 65 216 13 23 | text 7 31 130 10 | text 7 67 130 16 | text button 7 87 72 11 | text button 106 216 35 23 | [ toolbar 0 8 144 20 | text 5 13 51 9 ]",
-    "plain_layout_seq": "icon 60 45 23 22 | pager indicator 65 216 13 23 | text 7 31 130 10 | text 7 67 130 16 | text 5 13 51 9 | text button 7 87 72 11 | text button 106 216 35 23 | toolbar 0 8 144 20",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
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-        "position": [
-          56,
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-      },
-      {
-        "type": "toolbar",
-        "position": [
-          0,
-          84,
-          1440,
-          196
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
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-      },
-      {
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-        "position": [
-          608,
-          453,
-          224,
-          224
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-      },
-      {
-        "type": "text",
-        "position": [
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-      },
-      {
-        "type": "text button",
-        "position": [
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-      },
-      {
-        "type": "text button",
-        "position": [
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-      },
-      {
-        "type": "pager indicator",
-        "position": [
-          652,
-          2169,
-          135,
-          223
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a page of some functions when using an app. on the top of the page, there are four icons. below them are six text buttons for different functions.",
-    "region_id": "11353",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:icon[attr:repeat'4'][attr:position'top']] [el:text button[attr:repeat'6']]]",
-    "execution": "singleinfo : icon top undefined | icon top undefined | icon top undefined | icon top undefined | text button undefined undefined | text button undefined undefined | text button undefined undefined | text button undefined undefined | text button undefined undefined | text button undefined undefined",
-    "layout_seq_with_completion": "icon 82 11 15 15 | icon 10 11 15 15 | icon 45 10 17 17 | icon 120 13 11 11 | text button 26 34 91 20 | text button 26 58 91 20 | text button 26 82 91 20 | text button 26 106 91 20 | text button 26 130 91 20 | text button 26 154 91 20",
-    "layout_seq_without_completion": "icon 82 11 15 15 | icon 10 11 15 15 | icon 45 10 17 17 | icon 120 13 11 11 | text button 26 34 91 20 | text button 26 58 91 20 | text button 26 82 91 20 | text button 26 106 91 20 | text button 26 130 91 20 | text button 26 154 91 20",
-    "plain_layout_seq": "icon 82 11 15 15 | icon 10 11 15 15 | icon 45 10 17 17 | icon 120 13 11 11 | text button 26 34 91 20 | text button 26 58 91 20 | text button 26 82 91 20 | text button 26 106 91 20 | text button 26 130 91 20 | text button 26 154 91 20",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
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-        "position": [
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-      },
-      {
-        "type": "icon",
-        "position": [
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-        ]
-      },
-      {
-        "type": "icon",
-        "position": [
-          825,
-          118,
-          149,
-          149
-        ]
-      },
-      {
-        "type": "icon",
-        "position": [
-          1204,
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-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
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-      },
-      {
-        "type": "text button",
-        "position": [
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-      },
-      {
-        "type": "text button",
-        "position": [
-          260,
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-      },
-      {
-        "type": "text button",
-        "position": [
-          260,
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-      },
-      {
-        "type": "text button",
-        "position": [
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-      },
-      {
-        "type": "text button",
-        "position": [
-          260,
-          1540,
-          919,
-          201
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a page to login to the app follow cop. on the top, there are two entries of text to have a general introduction to the app. in the middle of the page, there is an image with one text below it to show the email and password of the users. at the bottom of the page, there are two entries of texts. there is a small icon on the left of the first text.",
-    "region_id": "168",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:text [attr:repeat'2'] [attr:position'top'] ] [el:image] [el:text] [el:text [attr:repeat'2'] [attr:position'bottom'] ] [el:icon [attr:size'small'] [attr:position'bottom']] ]",
-    "execution": "singleinfo : icon bottom small | image undefined undefined | text top undefined | text top undefined | text bottom undefined | text bottom undefined | text undefined undefined",
-    "layout_seq_with_completion": "icon 10 207 10 10 | image 58 99 28 28 | text 40 19 63 17 | text 45 228 53 7 | text 20 36 103 9 | text 37 132 69 16 | text 25 208 74 8",
-    "layout_seq_without_completion": "icon 10 207 10 10 | image 58 99 28 28 | text 40 19 63 17 | text 45 228 53 7 | text 20 36 103 9 | text 37 132 69 16 | text 25 208 74 8",
-    "plain_layout_seq": "icon 10 207 10 10 | image 58 99 28 28 | text 40 19 63 17 | text 45 228 53 7 | text 20 36 103 9 | text 37 132 69 16 | text 25 208 74 8",
-    "canvas_width": 1440,
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-    "elements": [
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-      },
-      {
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-        "position": [
-          580,
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-      },
-      {
-        "type": "text",
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-      },
-      {
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-        "position": [
-          105,
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-      },
-      {
-        "type": "text",
-        "position": [
-          259,
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-      }
-    ]
-  },
-  {
-    "text": "the page is used to choose a device. on the top, there is a text in the middle. below the text is a text for a description. the following are two lines of text with an image on its left, respectively.",
-    "region_id": "3709",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:text [attr:position'top'] ] [el:text] [el:text [attr:repeat'2'] ] [el:image] ]",
-    "execution": "singleinfo : image undefined undefined | text top undefined | text undefined undefined | text undefined undefined | text undefined undefined",
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-  {
-    "text": "the starting page of an app. there is a small text at the center of the page. at the bottom, there is a small image and a small text button. a text button is an option for the next step.",
-    "region_id": "8278",
-    "region_type": "SingleInfo",
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-    "execution": "singleinfo : image bottom small | text undefined small | text button bottom small",
-    "layout_seq_with_completion": "image 54 221 35 18 | text 43 114 58 19 | text button 113 222 31 17",
-    "layout_seq_without_completion": "image 54 221 35 18 | text 43 114 58 19 | text button 113 222 31 17",
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-    ]
-  },
-  {
-    "text": "a page asking for permission to obtain certain information. there are two rows of texts near the center of the page describing the requirement. below them, there is a long image. at the bottom of the page near the left corner, there is a small text button.",
-    "region_id": "5375",
-    "region_type": "SingleInfo",
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-    "execution": "singleinfo : image undefined large | text undefined undefined | text undefined undefined | text button bottom small",
-    "layout_seq_with_completion": "image 19 113 105 39 | text 19 61 93 9 | text 19 76 105 20 | text button 111 222 33 17",
-    "layout_seq_without_completion": "image 19 113 105 39 | text 19 61 93 9 | text 19 76 105 20 | text button 111 222 33 17",
-    "plain_layout_seq": "image 19 113 105 39 | text 19 61 93 9 | text 19 76 105 20 | text button 111 222 33 17",
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-  {
-    "text": "a page for text 3d design. on the top, there is a toolbar with an image and a text on the left, and four icons on the right. in the middle, there is an image. on the bottom, there is an input with an icon for searching.",
-    "region_id": "13579",
-    "region_type": "SingleInfo",
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-    "execution": "singleinfo : icon bottom undefined | image undefined undefined | input bottom undefined | [ toolbar top undefined | icon undefined undefined | icon undefined undefined | image undefined undefined | text undefined undefined ]",
-    "layout_seq_with_completion": "icon 16 234 6 5 | icon 16 234 6 5 | [ toolbar 0 8 144 17 | icon 65 8 20 17 | icon 85 8 19 17 | icon 104 8 20 17 | icon 124 8 20 17 | image 4 11 11 11 | text 16 12 46 9 ]",
-    "layout_seq_without_completion": "icon 16 234 6 5 | icon 16 234 6 5 | [ toolbar 0 8 144 17 | icon 65 8 20 17 | icon 85 8 19 17 | icon 104 8 20 17 | icon 124 8 20 17 | image 4 11 11 11 | text 16 12 46 9 ]",
-    "plain_layout_seq": "icon 16 234 6 5 | icon 16 234 6 5 | icon 65 8 20 17 | icon 85 8 19 17 | icon 104 8 20 17 | icon 124 8 20 17 | image 4 11 11 11 | text 16 12 46 9 | toolbar 0 8 144 17",
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-    ]
-  },
-  {
-    "text": "a login page for a dating app. there is a background image on the page. on the top, there is a toolbar including a text button for login on the right. in the middle of the page, there is an image. below is a text. on the bottom, there are two parallel text buttons for facebook and signup. the following is a text button for terms of service and privacy policy.",
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-    "region_type": "SingleInfo",
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-    "execution": "singleinfo : background image undefined undefined | image undefined undefined | text undefined undefined | text button bottom undefined | text button bottom undefined | text button bottom undefined | [ toolbar top undefined | text button right undefined ]",
-    "layout_seq_with_completion": "background image 0 0 144 239 | image 14 94 115 22 | text 14 122 116 16 | text button 39 221 65 11 | text button 5 176 133 18 | text button 5 197 133 17 | [ toolbar 0 8 144 20 | text button 123 9 21 17 ]",
-    "layout_seq_without_completion": "background image 0 0 144 239 | image 14 94 115 22 | text 14 122 116 16 | text button 39 221 65 11 | text button 5 176 133 18 | text button 5 197 133 17 | [ toolbar 0 8 144 20 | text button 123 9 21 17 ]",
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-  },
-  {
-    "text": "a page for import map introduction. on the top, there is a text in the middle and an icon on the left. on the upper part, there is a text in the middle. below are two parallel texts. on the bottom, there is a text button for getting minecraft pe.",
-    "region_id": "13221",
-    "region_type": "SingleInfo",
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-    "execution": "singleinfo : icon top undefined | text top undefined | text undefined undefined | text undefined undefined | text undefined undefined | text button bottom undefined",
-    "layout_seq_with_completion": "icon 131 9 11 12 | text 3 11 137 9 | text 48 102 47 9 | text 9 54 125 14 | text 3 114 137 60 | text button 5 193 133 28",
-    "layout_seq_without_completion": "icon 131 9 11 12 | text 3 11 137 9 | text 48 102 47 9 | text 9 54 125 14 | text 3 114 137 60 | text button 5 193 133 28",
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-    ]
-  },
-  {
-    "text": "a page to show the closed rides in an app. on the top, there is a toolbar. in the toolbar, there is an icon, an image, and one text side by side on the left. in the middle of the page, there is a small image with small and long text below it telling there is no closed ride.",
-    "region_id": "7878",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:icon] [el:image] [el:text] ] ] [el:image [attr:size'small'] ] [el:text [attr:size'large'] ] ]",
-    "execution": "singleinfo : image undefined small | text undefined large | [ toolbar top undefined | icon undefined undefined | image undefined undefined | text undefined undefined ]",
-    "layout_seq_with_completion": "image 55 84 33 34 | text 3 128 137 7 | [ toolbar 0 8 144 17 | icon 0 14 5 5 | image 4 11 11 11 | text 16 12 16 9 ]",
-    "layout_seq_without_completion": "image 55 84 33 34 | text 3 128 137 7 | [ toolbar 0 8 144 17 | icon 0 14 5 5 | image 4 11 11 11 | text 16 12 16 9 ]",
-    "plain_layout_seq": "icon 0 14 5 5 | image 55 84 33 34 | image 4 11 11 11 | text 3 128 137 7 | text 16 12 16 9 | toolbar 0 8 144 17",
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-    ]
-  },
-  {
-    "text": "this is a questionnaire page . a toolbar is at the top of the page. there is an icon button on the left of the toolbar to return, a text in the middle, and an image on the right.",
-    "region_id": "5989",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:icon [attr:position'left']] [el:text] [el:image [attr:position'right']] ] ] ]",
-    "execution": "singleinfo : [ toolbar top undefined | icon left undefined | image right undefined | text undefined undefined ]",
-    "layout_seq_with_completion": "[ toolbar 0 8 144 20 | icon 0 8 19 20 | image 133 14 9 8 | text 23 13 109 9 ]",
-    "layout_seq_without_completion": "[ toolbar 0 8 144 20 | icon 0 8 19 20 | image 133 14 9 8 | text 23 13 109 9 ]",
-    "plain_layout_seq": "icon 0 8 19 20 | image 133 14 9 8 | text 23 13 109 9 | toolbar 0 8 144 20",
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-          196
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-      }
-    ]
-  },
-  {
-    "text": "this page is used for accessing one's location. on the top, there is one image. next are two texts. below them are two text buttons, the left one for accepting while the right one for refusing. at the bottom of the page, there is one pager indicator in middle.",
-    "region_id": "8823",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:image [attr:position'top'] ] [el:text] [el:text] [el:text button] [el:text button] [el:pager indicator [attr:position'bottom'] ] ]",
-    "execution": "singleinfo : image top undefined | pager indicator bottom undefined | text undefined undefined | text undefined undefined | text button undefined undefined | text button undefined undefined",
-    "layout_seq_with_completion": "image 0 15 144 99 | pager indicator 0 214 144 25 | text 0 114 144 39 | text 0 153 144 24 | text button 10 184 58 23 | text button 75 184 58 23",
-    "layout_seq_without_completion": "image 0 15 144 99 | pager indicator 0 214 144 25 | text 0 114 144 39 | text 0 153 144 24 | text button 10 184 58 23 | text button 75 184 58 23",
-    "plain_layout_seq": "image 0 15 144 99 | pager indicator 0 214 144 25 | text 0 114 144 39 | text 0 153 144 24 | text button 10 184 58 23 | text button 75 184 58 23",
-    "canvas_width": 1440,
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-          755,
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-    ]
-  },
-  {
-    "text": "a page of a language learning app. there is a long toolbar at the top of the page. near the center of the page, there is a big image with two additional smaller images inside it. in the lower half of the page, there is a long text with a long page indicator placed under it.",
-    "region_id": "2910",
-    "region_type": "SingleInfo",
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-    "execution": "singleinfo : image undefined small | image undefined small | image undefined large | pager indicator undefined large | text undefined large | toolbar top large",
-    "layout_seq_with_completion": "image 19 68 105 75 | image 44 78 55 56 | image 45 65 58 59 | pager indicator 0 198 144 20 | text 17 184 109 14 | [ toolbar 0 8 144 20 | icon 0 8 19 20 ]",
-    "layout_seq_without_completion": "image 19 68 105 75 | image 44 78 55 56 | image 45 65 58 59 | pager indicator 0 198 144 20 | text 17 184 109 14 | [ toolbar 0 8 144 20 | icon 0 8 19 20 ]",
-    "plain_layout_seq": "icon 0 8 19 20 | image 19 68 105 75 | image 44 78 55 56 | image 45 65 58 59 | pager indicator 0 198 144 20 | text 17 184 109 14 | toolbar 0 8 144 20",
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-    ]
-  },
-  {
-    "text": "a page to log in with instagram. at the bottom, there is an icon and text side by side.",
-    "region_id": "4743",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:icon [attr:position'bottom']] [el:text [attr:position'bottom']] ]",
-    "execution": "singleinfo : icon bottom undefined | text bottom undefined",
-    "layout_seq_with_completion": "icon 37 195 11 11 | text 54 197 52 7",
-    "layout_seq_without_completion": "icon 37 195 11 11 | text 54 197 52 7",
-    "plain_layout_seq": "icon 37 195 11 11 | text 54 197 52 7",
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-  },
-  {
-    "text": "a page for users to track the period. on the top of the page, there is an image and one text, which introduces the app. at the bottom of the page, there is a text button for the next step.",
-    "region_id": "12722",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:image [attr:position'top'] ] [el:text [attr:position'top'] ] [el:text button [attr:position'bottom'] ] ]",
-    "execution": "singleinfo : image top undefined | text top undefined | text button bottom undefined",
-    "layout_seq_with_completion": "image 0 8 112 71 | text 3 83 137 47 | text button 54 180 35 12",
-    "layout_seq_without_completion": "image 0 8 112 71 | text 3 83 137 47 | text button 54 180 35 12",
-    "plain_layout_seq": "image 0 8 112 71 | text 3 83 137 47 | text button 54 180 35 12",
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-          545,
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-      }
-    ]
-  },
-  {
-    "text": "a page to introduce the function of the app. on the top, there are three entries of texts introducing the app briefly. below is a big image. at the bottom of the page, there is a pager indicator in the middle with one text button on either side. the left one is used to skip the page, and the right one is used to switch to the next page.",
-    "region_id": "11970",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:text [attr:repeat'3'][attr:position'top']][el:image [attr:size'large'] ] [el:pager indicator[attr:position'bottom']] [el:text button[attr:position'bottom'][attr:repeat'2']] ]",
-    "execution": "singleinfo : image undefined large | pager indicator bottom undefined | text top undefined | text top undefined | text top undefined | text button bottom undefined | text button bottom undefined",
-    "layout_seq_with_completion": "image 0 76 144 142 | pager indicator 52 226 39 5 | text 0 34 144 19 | text 0 15 144 19 | text 0 53 144 8 | text button 3 223 17 11 | text button 121 223 19 11",
-    "layout_seq_without_completion": "image 0 76 144 142 | pager indicator 52 226 39 5 | text 0 34 144 19 | text 0 15 144 19 | text 0 53 144 8 | text button 3 223 17 11 | text button 121 223 19 11",
-    "plain_layout_seq": "image 0 76 144 142 | pager indicator 52 226 39 5 | text 0 34 144 19 | text 0 15 144 19 | text 0 53 144 8 | text button 3 223 17 11 | text button 121 223 19 11",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "text button",
-        "position": [
-          35,
-          2239,
-          174,
-          102
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-      },
-      {
-        "type": "pager indicator",
-        "position": [
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-          384,
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-      },
-      {
-        "type": "text button",
-        "position": [
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-          194,
-          102
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-      },
-      {
-        "type": "image",
-        "position": [
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-          764,
-          1440,
-          1424
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-      },
-      {
-        "type": "text",
-        "position": [
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-      {
-        "type": "text",
-        "position": [
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-          1440,
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-      },
-      {
-        "type": "text",
-        "position": [
-          0,
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-          1440,
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-        ]
-      }
-    ]
-  },
-  {
-    "text": "the page is used to add place. on top of the page is a text, which is next to a text button. below the text is another text and two entries of text button, which is used to add the place. and then, two images in the middle of the page show the current location. at the bottom of the page is a text button to save.",
-    "region_id": "10610",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:text [attr:position'top']] [el:text button [attr:position'top']] [el:text] [el:text button [attr:repeat'2'] ] [el:image] [el:image] [el:text button [attr:position'bottom'] ] ]",
-    "execution": "singleinfo : image undefined undefined | image undefined undefined | text top undefined | text undefined undefined | text button top undefined | text button bottom undefined | text button undefined undefined | text button undefined undefined",
-    "layout_seq_with_completion": "image 64 133 15 27 | image 12 187 21 8 | text 53 8 37 28 | text 19 41 105 7 | text button 113 8 31 17 | text button 14 56 116 13 | text button 0 218 144 21 | text button 14 79 116 18",
-    "layout_seq_without_completion": "image 64 133 15 27 | image 12 187 21 8 | text 53 8 37 28 | text 19 41 105 7 | text button 113 8 31 17 | text button 14 56 116 13 | text button 0 218 144 21 | text button 14 79 116 18",
-    "plain_layout_seq": "image 64 133 15 27 | image 12 187 21 8 | text 53 8 37 28 | text 19 41 105 7 | text button 113 8 31 17 | text button 14 56 116 13 | text button 0 218 144 21 | text button 14 79 116 18",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "text button",
-        "position": [
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-          566,
-          1160,
-          126
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-      },
-      {
-        "type": "text button",
-        "position": [
-          0,
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-          1440,
-          210
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-      },
-      {
-        "type": "text button",
-        "position": [
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-          308,
-          175
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-      },
-      {
-        "type": "text",
-        "position": [
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-          365,
-          283
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
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-      },
-      {
-        "type": "image",
-        "position": [
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-      },
-      {
-        "type": "text button",
-        "position": [
-          140,
-          797,
-          1160,
-          181
-        ]
-      },
-      {
-        "type": "image",
-        "position": [
-          123,
-          1877,
-          210,
-          77
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a disclaimer page for cookies. users can choose to accept cookies using this page. there is a large image taking u a huge portion of the page explaining the terms of the disclaimer. under that web view, there is a long text button, which is an option for users to accept the terms.",
-    "region_id": "13963",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:image [attr:size'large'] ] [el:text button [attr:size'large'] ] ]",
-    "execution": "singleinfo : image undefined large | text button undefined large",
-    "layout_seq_with_completion": "[ modal 5 33 133 181 | text button 6 196 131 17 | web view 5 33 133 163 ]",
-    "layout_seq_without_completion": "[ modal 5 33 133 181 | text button 6 196 131 17 | web view 5 33 133 163 ]",
-    "plain_layout_seq": "modal 5 33 133 181 | text button 6 196 131 17 | web view 5 33 133 163",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "web view",
-        "position": [
-          56,
-          333,
-          1328,
-          1627
-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          63,
-          1967,
-          1314,
-          168
-        ]
-      },
-      {
-        "type": "modal",
-        "position": [
-          56,
-          333,
-          1328,
-          1809
-        ]
-      }
-    ]
-  },
-  {
-    "text": "this is a page for changing child lock. on the top, there are two images and four texts. below, there is an image that occupies half of the page.",
-    "region_id": "11423",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:image [attr:position'top'] [attr:repeat'2'] ] [el:text [attr:repeat'4'] ] [el:image [attr:size'large'] ] ]",
-    "execution": "singleinfo : image top undefined | image top undefined | image undefined large | text undefined undefined | text undefined undefined | text undefined undefined | text undefined undefined",
-    "layout_seq_with_completion": "image 23 162 98 77 | image 0 8 144 2 | image 0 10 16 17 | text 18 14 52 9 | text 34 27 40 20 | text 34 47 75 18 | text 34 65 61 18",
-    "layout_seq_without_completion": "image 23 162 98 77 | image 0 8 144 2 | image 0 10 16 17 | text 18 14 52 9 | text 34 27 40 20 | text 34 47 75 18 | text 34 65 61 18",
-    "plain_layout_seq": "image 23 162 98 77 | image 0 8 144 2 | image 0 10 16 17 | text 18 14 52 9 | text 34 27 40 20 | text 34 47 75 18 | text 34 65 61 18",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "image",
-        "position": [
-          0,
-          84,
-          1440,
-          21
-        ]
-      },
-      {
-        "type": "image",
-        "position": [
-          230,
-          1622,
-          980,
-          770
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          348,
-          277,
-          393,
-          196
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          348,
-          473,
-          744,
-          179
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          348,
-          652,
-          603,
-          179
-        ]
-      },
-      {
-        "type": "image",
-        "position": [
-          0,
-          105,
-          168,
-          168
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          186,
-          146,
-          522,
-          85
-        ]
-      }
-    ]
-  },
-  {
-    "text": "the page is used for searching. on the upper right, there is an icon. in the middle, there is an image and a text.",
-    "region_id": "11164",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:icon [attr:position'top'] ] [el:image] [el:text] ]",
-    "execution": "singleinfo : icon top undefined | image undefined undefined | text undefined undefined",
-    "layout_seq_with_completion": "icon 127 7 11 10 | text 52 149 39 7",
-    "layout_seq_without_completion": "icon 127 7 11 10 | text 52 149 39 7",
-    "plain_layout_seq": "icon 127 7 11 10 | text 52 149 39 7",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "icon",
-        "position": [
-          1278,
-          70,
-          109,
-          109
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          528,
-          1493,
-          384,
-          71
-        ]
-      }
-    ]
-  },
-  {
-    "text": "this is a page for directv. on the top, there is one text and a text button. below, there is a web view that occupies most of the page, where users can choose the receivers.",
-    "region_id": "3690",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:text [attr:position'top']] [el:text button[attr:position'top']] [el:web view] ]",
-    "execution": "singleinfo : text top undefined | text button top undefined | web view undefined undefined",
-    "layout_seq_with_completion": "text 52 9 39 7 | text button 127 8 16 10 | web view 0 18 144 221",
-    "layout_seq_without_completion": "text 52 9 39 7 | text button 127 8 16 10 | web view 0 18 144 221",
-    "plain_layout_seq": "text 52 9 39 7 | text button 127 8 16 10 | web view 0 18 144 221",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "web view",
-        "position": [
-          0,
-          182,
-          1440,
-          2210
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          521,
-          97,
-          397,
-          72
-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          1270,
-          84,
-          160,
-          98
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a page for users who forget passwords. at the top of the page, there is a text. in the middle of the page, there is an input for users to fill in their email. at the bottom of the page, there is a text showing \"send password reset e-mail\".",
-    "region_id": "3117",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:text [attr:position'top'] ] [el:input] [el:text [attr:position'bottom'] ] ]",
-    "execution": "singleinfo : input undefined undefined | text top undefined | text bottom undefined",
-    "layout_seq_with_completion": "input 7 106 130 13 | text 50 22 43 21 | text 22 224 99 8",
-    "layout_seq_without_completion": "input 7 106 130 13 | text 50 22 43 21 | text 22 224 99 8",
-    "plain_layout_seq": "input 7 106 130 13 | text 50 22 43 21 | text 22 224 99 8",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "text",
-        "position": [
-          508,
-          224,
-          423,
-          209
-        ]
-      },
-      {
-        "type": "input",
-        "position": [
-          70,
-          1069,
-          1300,
-          127
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          225,
-          2246,
-          989,
-          81
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a page for verifying pin. on the top, there is a toolbar including a text on the left. below is a text. the following is an input for entering the digit number. below is a text button for done.",
-    "region_id": "7241",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:text] ] ] [el:text] [el:input] [el:text button] ]",
-    "execution": "singleinfo : input undefined undefined | text undefined undefined | text button undefined undefined | [ toolbar top undefined | text undefined undefined ]",
-    "layout_seq_with_completion": "input 12 57 119 16 | text 12 36 119 16 | text button 12 76 119 17 | [ toolbar 0 8 144 20 | text 5 13 32 9 ]",
-    "layout_seq_without_completion": "input 12 57 119 16 | text 12 36 119 16 | text button 12 76 119 17 | [ toolbar 0 8 144 20 | text 5 13 32 9 ]",
-    "plain_layout_seq": "input 12 57 119 16 | text 12 36 119 16 | text 5 13 32 9 | text button 12 76 119 17 | toolbar 0 8 144 20",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "text",
-        "position": [
-          56,
-          135,
-          315,
-          93
-        ]
-      },
-      {
-        "type": "toolbar",
-        "position": [
-          0,
-          84,
-          1440,
-          196
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          123,
-          368,
-          1194,
-          153
-        ]
-      },
-      {
-        "type": "input",
-        "position": [
-          123,
-          574,
-          1194,
-          158
-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          123,
-          767,
-          1194,
-          168
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a color-changing page of an app. usere can select a color on this page. there is large modal occupying a large portion of the page. in the upper side of the modal, there is a long text. at the bottom, there are two small text buttons placed side by side, which are options for either confirming or canceling.",
-    "region_id": "9819",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:modal [gattr:size'large'][item [el:text [attr:size'large'][attr:position'top']] ] ] [el:text button [attr:size'small'] [attr:position'bottom'][attr:repeat'2']] ]",
-    "execution": "singleinfo : text button bottom small | text button bottom small | [ modal undefined large | text top large ]",
-    "layout_seq_with_completion": "[ modal 3 33 137 172 | text 14 42 115 11 | text button 9 185 62 17 | text button 72 185 62 17 ]",
-    "layout_seq_without_completion": "[ modal 3 33 137 172 | text 14 42 115 11 | text button 9 185 62 17 | text button 72 185 62 17 ]",
-    "plain_layout_seq": "modal 3 33 137 172 | text 14 42 115 11 | text button 9 185 62 17 | text button 72 185 62 17",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "text",
-        "position": [
-          148,
-          427,
-          1144,
-          103
-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          92,
-          1856,
-          627,
-          168
-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          721,
-          1856,
-          627,
-          168
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-      },
-      {
-        "type": "modal",
-        "position": [
-          36,
-          339,
-          1368,
-          1713
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a terms of agreement page of an app. there are three separate rows of texts in the upper half of the page. the last two texts are large in size showing the content of the terms. below them, there are two small text buttons. they are options for either accepting or rejecting the terms.",
-    "region_id": "12925",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:text[attr:repeat'3']] [el:text button [attr:size'small'] [attr:repeat'2']] ]",
-    "execution": "singleinfo : text undefined undefined | text undefined undefined | text undefined undefined | text button undefined small | text button undefined small",
-    "layout_seq_with_completion": "text 8 96 127 38 | text 8 31 76 14 | text 8 48 127 31 | text button 8 165 40 16 | text button 8 142 39 17",
-    "layout_seq_without_completion": "text 8 96 127 38 | text 8 31 76 14 | text 8 48 127 31 | text button 8 165 40 16 | text button 8 142 39 17",
-    "plain_layout_seq": "text 8 96 127 38 | text 8 31 76 14 | text 8 48 127 31 | text button 8 165 40 16 | text button 8 142 39 17",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "text",
-        "position": [
-          84,
-          962,
-          1272,
-          380
-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          84,
-          1426,
-          392,
-          168
-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          84,
-          1650,
-          403,
-          168
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          84,
-          312,
-          764,
-          146
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          84,
-          486,
-          1272,
-          304
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a page is for entering code. on the top, there is one icon and one text. in the middle of the page, there is one input and one text button. users can input code to join the family. at the bottom, there is one text.",
-    "region_id": "6903",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:icon [attr:position'top'] ] [el:text [attr:position'top'] ] [el:input] [el:text button] [el:text [attr:position'bottom'] ] ]",
-    "execution": "singleinfo : icon top undefined | input undefined undefined | text top undefined | text bottom undefined | text button undefined undefined",
-    "layout_seq_with_completion": "icon 0 14 7 7 | input 6 101 131 17 | text 8 13 19 10 | text 6 220 131 6 | text button 13 126 117 19",
-    "layout_seq_without_completion": "icon 0 14 7 7 | input 6 101 131 17 | text 8 13 19 10 | text 6 220 131 6 | text button 13 126 117 19",
-    "plain_layout_seq": "icon 0 14 7 7 | input 6 101 131 17 | text 8 13 19 10 | text 6 220 131 6 | text button 13 126 117 19",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "icon",
-        "position": [
-          0,
-          147,
-          70,
-          70
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-      },
-      {
-        "type": "text",
-        "position": [
-          88,
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-          185,
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-      },
-      {
-        "type": "text",
-        "position": [
-          63,
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-          1314,
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-      },
-      {
-        "type": "input",
-        "position": [
-          63,
-          1011,
-          1314,
-          178
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-      },
-      {
-        "type": "text button",
-        "position": [
-          133,
-          1263,
-          1174,
-          189
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a page for sending gifts. there is a long web view at the top of the page. in the lower half of the page, there are two icons. the latter is an option to start the process. in the lower half of the page, there is a small image.",
-    "region_id": "13993",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:web view [attr:size'large'] [attr:position'top'] ] [el:icon[attr:repeat'2']] [el:image [attr:size'small'] ] ]",
-    "execution": "singleinfo : icon undefined undefined | icon undefined undefined | image undefined small | web view top large",
-    "layout_seq_with_completion": "icon 122 117 22 26 | icon 36 153 71 23 | image 68 220 20 8 | text 75 221 7 6 | web view 0 0 144 17",
-    "layout_seq_without_completion": "icon 122 117 22 26 | icon 36 153 71 23 | image 68 220 20 8 | text 75 221 7 6 | web view 0 0 144 17",
-    "plain_layout_seq": "icon 122 117 22 26 | icon 36 153 71 23 | image 68 220 20 8 | text 75 221 7 6 | web view 0 0 144 17",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "icon",
-        "position": [
-          360,
-          1536,
-          719,
-          233
-        ]
-      },
-      {
-        "type": "icon",
-        "position": [
-          1221,
-          1170,
-          219,
-          264
-        ]
-      },
-      {
-        "type": "web view",
-        "position": [
-          0,
-          0,
-          1440,
-          175
-        ]
-      },
-      {
-        "type": "image",
-        "position": [
-          687,
-          2203,
-          200,
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-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          750,
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-          73,
-          62
-        ]
-      }
-    ]
-  },
-  {
-    "text": "the page is used for choosing the user's city. there is a toolbar within an icon and a text on the top of the page. below the toolbar are 13 entries of text to choose the city, line by line.",
-    "region_id": "2846",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:icon] [el:text] ] ] [el:text [attr:repeat'13']] ]",
-    "execution": "singleinfo : text undefined undefined | text undefined undefined | text undefined undefined | text undefined undefined | text undefined undefined | text undefined undefined | text undefined undefined | text undefined undefined | text undefined undefined | text undefined undefined | text undefined undefined | text undefined undefined | text undefined undefined | [ toolbar top undefined | icon undefined undefined | text undefined undefined ]",
-    "layout_seq_with_completion": "text 0 28 144 19 | text 0 199 144 17 | text 0 216 144 17 | text 0 47 144 14 | text 0 61 144 17 | text 0 79 144 16 | text 0 96 144 17 | text 0 113 144 17 | text 0 130 144 17 | text 0 147 144 17 | text 0 165 144 16 | text 0 182 144 17 | text 0 233 144 6 | [ toolbar 0 8 144 20 | icon 0 8 19 20 | text 21 14 50 7 ]",
-    "layout_seq_without_completion": "text 0 28 144 19 | text 0 199 144 17 | text 0 216 144 17 | text 0 47 144 14 | text 0 61 144 17 | text 0 79 144 16 | text 0 96 144 17 | text 0 113 144 17 | text 0 130 144 17 | text 0 147 144 17 | text 0 165 144 16 | text 0 182 144 17 | text 0 233 144 6 | [ toolbar 0 8 144 20 | icon 0 8 19 20 | text 21 14 50 7 ]",
-    "plain_layout_seq": "icon 0 8 19 20 | text 0 28 144 19 | text 0 199 144 17 | text 0 216 144 17 | text 0 47 144 14 | text 0 61 144 17 | text 0 79 144 16 | text 0 96 144 17 | text 0 113 144 17 | text 0 130 144 17 | text 0 147 144 17 | text 0 165 144 16 | text 0 182 144 17 | text 0 233 144 6 | text 21 14 50 7 | toolbar 0 8 144 20",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "icon",
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-      },
-      {
-        "type": "text",
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-      {
-        "type": "text",
-        "position": [
-          0,
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-          1440,
-          168
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-      {
-        "type": "text",
-        "position": [
-          0,
-          790,
-          1440,
-          168
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-      {
-        "type": "text",
-        "position": [
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-          1440,
-          168
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-      },
-      {
-        "type": "text",
-        "position": [
-          0,
-          1134,
-          1440,
-          168
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-      },
-      {
-        "type": "text",
-        "position": [
-          0,
-          1306,
-          1440,
-          168
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-      },
-      {
-        "type": "text",
-        "position": [
-          0,
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-        "type": "text",
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-      {
-        "type": "text",
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-      {
-        "type": "text",
-        "position": [
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-      {
-        "type": "text",
-        "position": [
-          0,
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-      }
-    ]
-  },
-  {
-    "text": "a game page of an app showing the tips for getting more hearts. there is a long toolbar with a small text at the top of the page. below the toobar, there is a large text showing the tips.",
-    "region_id": "9120",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:text [attr:size'small'] ] ] ] [el:text [attr:size'large'] ] ]",
-    "execution": "singleinfo : text undefined large | [ toolbar top undefined | text undefined small ]",
-    "layout_seq_with_completion": "text 3 35 137 171 | [ toolbar 0 8 144 20 | icon 0 8 19 20 | text 21 13 73 9 ]",
-    "layout_seq_without_completion": "text 3 35 137 171 | [ toolbar 0 8 144 20 | icon 0 8 19 20 | text 21 13 73 9 ]",
-    "plain_layout_seq": "icon 0 8 19 20 | text 3 35 137 171 | text 21 13 73 9 | toolbar 0 8 144 20",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
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-      {
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-      {
-        "type": "text",
-        "position": [
-          35,
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-    ]
-  },
-  {
-    "text": "a reading page of an app showing the book cover with a short introduction. there is a long toolbar with some texts and an icon inside at the top of the page. under the toolbar, there is a large web view showing the cover and the introduction of the book. at the bottom near the right croner, there is a short icon.",
-    "region_id": "3933",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:icon] [el:text] ] ] [el:web view [attr:size'large'] ] [el:icon [attr:size'small'] [attr:position'bottom'] ] ]",
-    "execution": "singleinfo : icon bottom small | web view undefined large | [ toolbar top undefined | icon undefined undefined | text undefined undefined ]",
-    "layout_seq_with_completion": "background image 0 28 144 211 | background image 0 28 144 211 | icon 118 214 20 19 | web view 0 28 144 211 | web view 0 28 144 211 | [ toolbar 0 8 144 20 | icon 127 9 17 17 | icon 0 8 19 20 | text 25 19 10 7 | text 25 9 83 10 ]",
-    "layout_seq_without_completion": "background image 0 28 144 211 | background image 0 28 144 211 | icon 118 214 20 19 | web view 0 28 144 211 | web view 0 28 144 211 | [ toolbar 0 8 144 20 | icon 127 9 17 17 | icon 0 8 19 20 | text 25 19 10 7 | text 25 9 83 10 ]",
-    "plain_layout_seq": "background image 0 28 144 211 | background image 0 28 144 211 | icon 118 214 20 19 | icon 127 9 17 17 | icon 0 8 19 20 | text 25 19 10 7 | text 25 9 83 10 | toolbar 0 8 144 20 | web view 0 28 144 211 | web view 0 28 144 211",
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-      {
-        "type": "background image",
-        "position": [
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-      },
-      {
-        "type": "web view",
-        "position": [
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-      {
-        "type": "background image",
-        "position": [
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-      },
-      {
-        "type": "web view",
-        "position": [
-          0,
-          280,
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-      }
-    ]
-  },
-  {
-    "text": "a description page for information updates. there is a big modal occupying a large portion of the page with two parallel texts and two small text buttons that are placed side by side. the large text in the middle shows what the updates are and the text buttons are options for updating immediately or later.",
-    "region_id": "6318",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:modal [item [el:text] [el:text] [el:text button [attr:size'small'] ] [el:text button [attr:size'small'] ] ] ] ]",
-    "execution": "singleinfo : [ modal undefined undefined | text undefined undefined | text undefined undefined | text button undefined small | text button undefined small ]",
-    "layout_seq_with_completion": "[ modal 18 32 107 182 | text 18 32 107 22 | text 24 56 95 139 | text button 72 198 53 16 | text button 18 198 53 16 ]",
-    "layout_seq_without_completion": "[ modal 18 32 107 182 | text 18 32 107 22 | text 24 56 95 139 | text button 72 198 53 16 | text button 18 198 53 16 ]",
-    "plain_layout_seq": "modal 18 32 107 182 | text 18 32 107 22 | text 24 56 95 139 | text button 72 198 53 16 | text button 18 198 53 16",
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-          188,
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-    ]
-  },
-  {
-    "text": "a location tracker page of an app. users can locate their phones through this app. there is a long toolbar with a small text inside at the top of the page. below the toolbar, there is a small icon on the right side of the page. near the bottom of the page, there are two images and a small icon.",
-    "region_id": "8703",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [gattr:size'large'] [item [el:text [attr:size'small'] ] ] ] [el:icon [attr:size'small'] [attr:position'right'] ] [el:image [attr:position'bottom'] [attr:repeat'2'] ] [el:icon [attr:size'small'] [attr:position'bottom'] ] ]",
-    "execution": "singleinfo : icon bottom small | icon right small | image bottom undefined | image bottom undefined | [ toolbar top large | text undefined small ]",
-    "layout_seq_with_completion": "icon 125 31 15 15 | icon 125 205 15 14 | image 1 229 21 8 | image 125 219 15 14 | [ toolbar 0 8 144 20 | text 5 13 76 9 ]",
-    "layout_seq_without_completion": "icon 125 31 15 15 | icon 125 205 15 14 | image 1 229 21 8 | image 125 219 15 14 | [ toolbar 0 8 144 20 | text 5 13 76 9 ]",
-    "plain_layout_seq": "icon 125 31 15 15 | icon 125 205 15 14 | image 1 229 21 8 | image 125 219 15 14 | text 5 13 76 9 | toolbar 0 8 144 20",
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-      },
-      {
-        "type": "icon",
-        "position": [
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-      },
-      {
-        "type": "icon",
-        "position": [
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-      },
-      {
-        "type": "image",
-        "position": [
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-          147,
-          142
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-      }
-    ]
-  },
-  {
-    "text": "a download page of an app. users can download the latest version of the app through this page. there is a huge modal at the center of the page. inside the modal, there is a large text showing the details of the update. under the text, there are two text buttons placed side by side. they stand for different options such as downloading.",
-    "region_id": "4237",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:modal [gattr:size'large'] [item [el:text [attr:size'large'] ] ] ] [el:text button[attr:repeat'2'] [attr:position'bottom']] ]",
-    "execution": "singleinfo : text button bottom undefined | text button bottom undefined | [ modal undefined large | text undefined large ]",
-    "layout_seq_with_completion": "[ modal 8 34 128 178 | text 18 42 109 141 | text button 72 188 58 17 | text button 14 188 58 17 ]",
-    "layout_seq_without_completion": "[ modal 8 34 128 178 | text 18 42 109 141 | text button 72 188 58 17 | text button 14 188 58 17 ]",
-    "plain_layout_seq": "modal 8 34 128 178 | text 18 42 109 141 | text button 72 188 58 17 | text button 14 188 58 17",
-    "canvas_width": 1440,
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-    "elements": [
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-      },
-      {
-        "type": "modal",
-        "position": [
-          80,
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-          1782
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-      }
-    ]
-  },
-  {
-    "text": "a page for searching. on the top, there is a toolbar with an icon on the left and an input for searching. in the middle, there is a text.",
-    "region_id": "8152",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:icon] [el:input] ] ] [el:text] ]",
-    "execution": "singleinfo : text undefined undefined | [ toolbar top undefined | icon undefined undefined | input undefined undefined ]",
-    "layout_seq_with_completion": "text 0 28 144 211 | [ toolbar 0 8 144 20 | icon 0 8 19 20 | input 20 11 118 14 ]",
-    "layout_seq_without_completion": "text 0 28 144 211 | [ toolbar 0 8 144 20 | icon 0 8 19 20 | input 20 11 118 14 ]",
-    "plain_layout_seq": "icon 0 8 19 20 | input 20 11 118 14 | text 0 28 144 211 | toolbar 0 8 144 20",
-    "canvas_width": 1440,
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-    "elements": [
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-      },
-      {
-        "type": "input",
-        "position": [
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-      },
-      {
-        "type": "toolbar",
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-          196
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-      },
-      {
-        "type": "text",
-        "position": [
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-          1440,
-          2112
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-      }
-    ]
-  },
-  {
-    "text": "a page for collecting personal information. there is a small icon, a small image, and two texts at the center of the page. they describe the function of the app which is to calculate the water consumption. in the lower half of the page, there are two rows of long text buttons. they stand for options like filling profile.",
-    "region_id": "14500",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:icon [attr:size'small'] ] [el:image [attr:size'small'] ] [el:text] [el:text] [el:text button [attr:repeat'2'] [attr:size'large'] ] ]",
-    "execution": "singleinfo : icon undefined small | image undefined small | text undefined undefined | text undefined undefined | text button undefined large | text button undefined large",
-    "layout_seq_with_completion": "icon 37 66 70 6 | image 37 101 70 5 | text 37 76 70 23 | text 37 106 70 18 | text button 14 158 116 13 | text button 14 180 116 13",
-    "layout_seq_without_completion": "icon 37 66 70 6 | image 37 101 70 5 | text 37 76 70 23 | text 37 106 70 18 | text button 14 158 116 13 | text button 14 180 116 13",
-    "plain_layout_seq": "icon 37 66 70 6 | image 37 101 70 5 | text 37 76 70 23 | text 37 106 70 18 | text button 14 158 116 13 | text button 14 180 116 13",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
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-        "position": [
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-      },
-      {
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-      {
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-      },
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-      },
-      {
-        "type": "text",
-        "position": [
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-      }
-    ]
-  },
-  {
-    "text": "a page is for loging on. on the top, there is one text button on the right. one web view ocupies most of the page, which users can input their id and password to log on.",
-    "region_id": "5276",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:text button [attr:position'top'] ] [el:web view [attr:size'large'] ] ]",
-    "execution": "singleinfo : text button top undefined | web view undefined large",
-    "layout_seq_with_completion": "text button 116 9 26 10 | web view 0 21 144 218",
-    "layout_seq_without_completion": "text button 116 9 26 10 | web view 0 21 144 218",
-    "plain_layout_seq": "text button 116 9 26 10 | web view 0 21 144 218",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
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-        "position": [
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-      },
-      {
-        "type": "text button",
-        "position": [
-          1166,
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-          263,
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-    ]
-  },
-  {
-    "text": "this is a page for the photos. on the top, there is a toolbar with one text. below, there is a background image that occupies most of the page with two text buttons for users to cancel or done.",
-    "region_id": "4369",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:text] ] ] [el:background image] [el:text button] [el:text button] ]",
-    "execution": "singleinfo : background image undefined undefined | text button undefined undefined | text button undefined undefined | [ toolbar top undefined | text undefined undefined ]",
-    "layout_seq_with_completion": "background image 0 28 144 211 | text button 5 211 64 17 | text button 74 211 64 17 | [ toolbar 0 8 144 20 | text 5 13 35 9 ]",
-    "layout_seq_without_completion": "background image 0 28 144 211 | text button 5 211 64 17 | text button 74 211 64 17 | [ toolbar 0 8 144 20 | text 5 13 35 9 ]",
-    "plain_layout_seq": "background image 0 28 144 211 | text 5 13 35 9 | text button 5 211 64 17 | text button 74 211 64 17 | toolbar 0 8 144 20",
-    "canvas_width": 1440,
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-        "type": "background image",
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-      },
-      {
-        "type": "text button",
-        "position": [
-          748,
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-          636,
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-      }
-    ]
-  },
-  {
-    "text": "a sign-up page of an app. there is a small icon with a small text under it near the center of the page. in the lower half of the page, there are two long rows parallel to each other showing the sign up options. below them, there is a small text.",
-    "region_id": "2858",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:icon [attr:size'small'] ] [el:text [attr:size'small'] ] [el:text [attr:size'small'] ] ]",
-    "execution": "singleinfo : icon undefined small | text undefined small | text undefined small",
-    "layout_seq_with_completion": "icon 42 92 59 16 | text 54 108 35 6 | text button 56 220 31 10 | text button 12 170 119 18 | text button 27 197 89 9",
-    "layout_seq_without_completion": "icon 42 92 59 16 | text 54 108 35 6 | text button 56 220 31 10 | text button 12 170 119 18 | text button 27 197 89 9",
-    "plain_layout_seq": "icon 42 92 59 16 | text 54 108 35 6 | text button 56 220 31 10 | text button 12 170 119 18 | text button 27 197 89 9",
-    "canvas_width": 1440,
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-    "elements": [
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-        ]
-      },
-      {
-        "type": "text",
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-      },
-      {
-        "type": "text button",
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-      },
-      {
-        "type": "text button",
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-      },
-      {
-        "type": "text button",
-        "position": [
-          563,
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-          313,
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-        ]
-      }
-    ]
-  },
-  {
-    "text": "a page showing media items of an app. there is a long toolbar at the top of the page with several icons and a text in it. right under that toolbar, there is a long list item with a long text showing the result of the number of media items.",
-    "region_id": "12414",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:text] ] ] [el:list item[attr:size'large']][el:text [attr:size'large'] ] ]",
-    "execution": "singleinfo : list item undefined large | text undefined large | [ toolbar top undefined | text undefined undefined ]",
-    "layout_seq_with_completion": "[ toolbar 0 8 144 20 | icon 0 8 19 20 | icon 128 10 16 15 | icon 130 12 11 11 | text 21 13 19 9 ] | [ list item 2 28 139 16 | text 34 33 75 6 ]",
-    "layout_seq_without_completion": "[ toolbar 0 8 144 20 | icon 0 8 19 20 | icon 128 10 16 15 | icon 130 12 11 11 | text 21 13 19 9 ] | [ list item 2 28 139 16 | text 34 33 75 6 ]",
-    "plain_layout_seq": "icon 0 8 19 20 | icon 128 10 16 15 | icon 130 12 11 11 | list item 2 28 139 16 | text 21 13 19 9 | text 34 33 75 6 | toolbar 0 8 144 20",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
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-      },
-      {
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-      },
-      {
-        "type": "icon",
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-          1307,
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-      },
-      {
-        "type": "icon",
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-      },
-      {
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-      },
-      {
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-        "type": "list item",
-        "position": [
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-      }
-    ]
-  },
-  {
-    "text": "a page for a tip of the day. one the top, there is a toolbar with a menu icon and two texts. below, there are two texts of the tip. at the bottom, there is one text and an image.",
-    "region_id": "238",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar[gattr:position'top'] [item [el:icon] [el:text[attr:repeat'2']] ] ] [el:text[attr:repeat'2']] [el:text[attr:position'bottom']] [el:image[attr:position'bottom']] ]",
-    "execution": "singleinfo : image bottom undefined | text bottom undefined | text undefined undefined | text undefined undefined | [ toolbar top undefined | icon undefined undefined | text undefined undefined | text undefined undefined ]",
-    "layout_seq_with_completion": "image 75 219 21 13 | text 48 222 24 7 | text button 7 43 130 46 | text button 17 35 109 8 | [ toolbar 0 8 144 20 | icon 5 9 17 17 | text 56 14 37 8 | text 126 8 18 20 ]",
-    "layout_seq_without_completion": "image 75 219 21 13 | text 48 222 24 7 | text button 7 43 130 46 | text button 17 35 109 8 | [ toolbar 0 8 144 20 | icon 5 9 17 17 | text 56 14 37 8 | text 126 8 18 20 ]",
-    "plain_layout_seq": "icon 5 9 17 17 | image 75 219 21 13 | text 48 222 24 7 | text 56 14 37 8 | text 126 8 18 20 | text button 7 43 130 46 | text button 17 35 109 8 | toolbar 0 8 144 20",
-    "canvas_width": 1440,
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-      {
-        "type": "toolbar",
-        "position": [
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-      {
-        "type": "text button",
-        "position": [
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-      },
-      {
-        "type": "text button",
-        "position": [
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-      {
-        "type": "text",
-        "position": [
-          480,
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-          244,
-          76
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-      },
-      {
-        "type": "image",
-        "position": [
-          759,
-          2198,
-          201,
-          124
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a page to start the app let's do eat. on the top, there is a big image. in the middle of the page, there are two entries of texts introducing the app briefly. at the button of the page, there is two text buttons side by side used to skip the page or start the app.",
-    "region_id": "3667",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:image [attr:size'large'] ] [el:text [attr:repeat'2']] [el:text button [attr:repeat'2'][attr:position'bottom']] ]",
-    "execution": "singleinfo : image undefined large | text undefined undefined | text undefined undefined | text button bottom undefined | text button bottom undefined",
-    "layout_seq_with_completion": "image 29 28 85 84 | text 0 124 144 13 | text 0 142 144 13 | text button 17 207 47 17 | text button 71 207 55 17",
-    "layout_seq_without_completion": "image 29 28 85 84 | text 0 124 144 13 | text 0 142 144 13 | text button 17 207 47 17 | text button 71 207 55 17",
-    "plain_layout_seq": "image 29 28 85 84 | text 0 124 144 13 | text 0 142 144 13 | text button 17 207 47 17 | text button 71 207 55 17",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
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-      {
-        "type": "text button",
-        "position": [
-          719,
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-          548,
-          168
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-      }
-    ]
-  },
-  {
-    "text": "a page to login for the app. the whole page is a background image. in the middle of the page, there is a small image with two entries of inputs used to enter username and password. besides, there is a small image used to show the password on the right of the second input. below them are three entries of text buttons used to login, seek help, and skip login.",
-    "region_id": "12231",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:background image [attr:size'large']] [el:image [attr:size'small'] ] [el:input [attr:repeat'2']] [el:image [attr:size'small'] ] [el:text button [attr:repeat'3']] ]",
-    "execution": "singleinfo : background image undefined large | image undefined small | image undefined small | input undefined undefined | input undefined undefined | text button undefined undefined | text button undefined undefined | text button undefined undefined",
-    "layout_seq_with_completion": "background image 0 8 144 231 | image 56 84 31 20 | image 106 125 12 6 | input 24 104 95 16 | input 24 120 95 16 | text button 91 146 28 8 | text button 24 136 95 10 | text button 24 155 95 9",
-    "layout_seq_without_completion": "background image 0 8 144 231 | image 56 84 31 20 | image 106 125 12 6 | input 24 104 95 16 | input 24 120 95 16 | text button 91 146 28 8 | text button 24 136 95 10 | text button 24 155 95 9",
-    "plain_layout_seq": "background image 0 8 144 231 | image 56 84 31 20 | image 106 125 12 6 | input 24 104 95 16 | input 24 120 95 16 | text button 91 146 28 8 | text button 24 136 95 10 | text button 24 155 95 9",
-    "canvas_width": 1440,
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-      {
-        "type": "image",
-        "position": [
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-      {
-        "type": "input",
-        "position": [
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-      {
-        "type": "input",
-        "position": [
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-      },
-      {
-        "type": "image",
-        "position": [
-          1062,
-          1252,
-          126,
-          60
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-      }
-    ]
-  },
-  {
-    "text": "a page is used for signing up or logging in. in the upper half of the page, there is one image and one text. in the middle of the page, there are two text buttons, one for signing up, and the other for logging in. at the bottom, there is one text.",
-    "region_id": "3725",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:image] [el:text] [el:text button] [el:text button] [el:text [attr:position'bottom'] ] ]",
-    "execution": "singleinfo : image undefined undefined | text bottom undefined | text undefined undefined | text button undefined undefined | text button undefined undefined",
-    "layout_seq_with_completion": "image 5 67 139 27 | text 0 227 144 12 | text 0 101 144 10 | text button 4 139 135 20 | text button 4 159 135 20",
-    "layout_seq_without_completion": "image 5 67 139 27 | text 0 227 144 12 | text 0 101 144 10 | text button 4 139 135 20 | text button 4 159 135 20",
-    "plain_layout_seq": "image 5 67 139 27 | text 0 227 144 12 | text 0 101 144 10 | text button 4 139 135 20 | text button 4 159 135 20",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
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-      },
-      {
-        "type": "text",
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-      {
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-      },
-      {
-        "type": "text button",
-        "position": [
-          42,
-          1595,
-          1356,
-          202
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-      }
-    ]
-  },
-  {
-    "text": "a page to set wallpaper. the whole page is a background image. at the bottom of the page, there are two images side by side with one small icon on either side. the images are used to set wallpaper in the wallpaper or gallery. the icons are used to switch the page.",
-    "region_id": "14313",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:background image] [el:image[attr:repeat'2'][attr:position'bottom']] [el:icon [attr:size'small'][attr:repeat'2'][attr:position'bottom'] ] ]",
-    "execution": "singleinfo : background image undefined undefined | icon bottom small | icon bottom small | image bottom undefined | image bottom undefined",
-    "layout_seq_with_completion": "background image 0 11 144 216 | icon 12 210 13 17 | icon 118 211 13 16 | image 73 210 43 15 | image 27 210 43 15",
-    "layout_seq_without_completion": "background image 0 11 144 216 | icon 12 210 13 17 | icon 118 211 13 16 | image 73 210 43 15 | image 27 210 43 15",
-    "plain_layout_seq": "background image 0 11 144 216 | icon 12 210 13 17 | icon 118 211 13 16 | image 73 210 43 15 | image 27 210 43 15",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
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-        "type": "background image",
-        "position": [
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-          116,
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-        "type": "icon",
-        "position": [
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-        "type": "image",
-        "position": [
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-        "type": "image",
-        "position": [
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-      },
-      {
-        "type": "icon",
-        "position": [
-          1184,
-          2110,
-          131,
-          162
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-      }
-    ]
-  },
-  {
-    "text": "a terms of agreement page of an app. there is a long toolbar with a small text at the top of the page. under the toolbar, there are several small texts and a small text button. they require confirmation of the user`s age. below them, there is a long text button indicating users to continue.",
-    "region_id": "14547",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:text [attr:size'small'] ] ] ] [el:text [attr:repeat'3']] [el:text button [attr:size'small'] ] [el:text button [attr:size'large'] ] ]",
-    "execution": "singleinfo : text undefined undefined | text undefined undefined | text undefined undefined | text button undefined small | text button undefined large | [ toolbar top undefined | text undefined small ]",
-    "layout_seq_with_completion": "text 7 52 73 6 | text 6 36 36 6 | text 7 72 17 6 | text button 50 59 43 13 | text button 7 82 130 17 | [ toolbar 0 8 144 20 | text 5 13 29 9 ]",
-    "layout_seq_without_completion": "text 7 52 73 6 | text 6 36 36 6 | text 7 72 17 6 | text button 50 59 43 13 | text button 7 82 130 17 | [ toolbar 0 8 144 20 | text 5 13 29 9 ]",
-    "plain_layout_seq": "text 7 52 73 6 | text 6 36 36 6 | text 7 72 17 6 | text 5 13 29 9 | text button 50 59 43 13 | text button 7 82 130 17 | toolbar 0 8 144 20",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
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-        "position": [
-          56,
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-      },
-      {
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-      },
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-        "type": "text button",
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-      {
-        "type": "text",
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-        "type": "text button",
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-      {
-        "type": "text",
-        "position": [
-          63,
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-          359,
-          57
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-      }
-    ]
-  },
-  {
-    "text": "a page to check facebook friends. on the top, there is one text with an icon on the left. below is a list item occupying the remaining page.",
-    "region_id": "9814",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:text [attr:position'top']] [el:icon [attr:position'top']] [el:list item [attr:size'large']] ]",
-    "execution": "singleinfo : icon top undefined | list item undefined large | text top undefined",
-    "layout_seq_with_completion": "icon 0 8 17 17 | list item 0 25 144 214 | text 0 8 144 17",
-    "layout_seq_without_completion": "icon 0 8 17 17 | list item 0 25 144 214 | text 0 8 144 17",
-    "plain_layout_seq": "icon 0 8 17 17 | list item 0 25 144 214 | text 0 8 144 17",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
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-        "position": [
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-          84,
-          1440,
-          172
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-      },
-      {
-        "type": "icon",
-        "position": [
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-          84,
-          172,
-          172
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-      },
-      {
-        "type": "list item",
-        "position": [
-          0,
-          256,
-          1440,
-          2136
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-      }
-    ]
-  },
-  {
-    "text": "a page of faq. on the top, there is a text. below, there are four lines of text.",
-    "region_id": "1390",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:text [attr:position'top'] ] [el:text [attr:repeat'4'] ] ]",
-    "execution": "singleinfo : text top undefined | text undefined undefined | text undefined undefined | text undefined undefined | text undefined undefined",
-    "layout_seq_with_completion": "text 17 32 120 10 | text 7 111 7 10 | text 7 32 7 11 | text 7 82 7 10 | text 50 12 43 10 | text 7 58 7 9 | text 17 53 120 19 | text 17 82 120 10 | text 17 103 120 27",
-    "layout_seq_without_completion": "text 17 32 120 10 | text 7 111 7 10 | text 7 32 7 11 | text 7 82 7 10 | text 50 12 43 10 | text 7 58 7 9 | text 17 53 120 19 | text 17 82 120 10 | text 17 103 120 27",
-    "plain_layout_seq": "text 17 32 120 10 | text 7 111 7 10 | text 7 32 7 11 | text 7 82 7 10 | text 50 12 43 10 | text 7 58 7 9 | text 17 53 120 19 | text 17 82 120 10 | text 17 103 120 27",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
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-          502,
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-        "type": "text",
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-    ]
-  },
-  {
-    "text": "this is a page for an app. there is a background image that occupies most of the page. below, there are two images and another two images in the middle. at the bottom, there are two images on the right.",
-    "region_id": "2251",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:background image] [el:image [attr:repeat'2'] ] [el:image [attr:repeat'2'] ] [el:image [attr:repeat'2'] [attr:position'bottom'] ] ]",
-    "execution": "singleinfo : background image undefined undefined | image bottom undefined | image bottom undefined | image undefined undefined | image undefined undefined | image undefined undefined | image undefined undefined",
-    "layout_seq_with_completion": "background image 0 0 144 239 | image 45 8 22 22 | image 103 193 30 35 | image 76 8 22 22 | image 41 92 61 23 | image 41 123 61 24 | image 109 207 18 18",
-    "layout_seq_without_completion": "background image 0 0 144 239 | image 45 8 22 22 | image 103 193 30 35 | image 76 8 22 22 | image 41 92 61 23 | image 41 123 61 24 | image 109 207 18 18",
-    "plain_layout_seq": "background image 0 0 144 239 | image 45 8 22 22 | image 103 193 30 35 | image 76 8 22 22 | image 41 92 61 23 | image 41 123 61 24 | image 109 207 18 18",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
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-        "position": [
-          455,
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-          222,
-          222
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-      },
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-        "type": "image",
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-      },
-      {
-        "type": "background image",
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-      },
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-        "type": "image",
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-          1030,
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-      },
-      {
-        "type": "image",
-        "position": [
-          1094,
-          2078,
-          180,
-          180
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a page is used for connecting the headset. on the top, there is one toolbar with one text between two icons. below them are two texts. in the middle of the page, there is one image followed by one text. at the bottom, there is one text button that users can click to retry to connect it.",
-    "region_id": "7242",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:text] [el:icon] [el:icon] ] ] [el:text [attr:repeat'2']] [el:image] [el:text] [el:text button [attr:position'bottom']] ]",
-    "execution": "singleinfo : image undefined undefined | text undefined undefined | text undefined undefined | text undefined undefined | text button bottom undefined | [ toolbar top undefined | icon undefined undefined | icon undefined undefined | text undefined undefined ]",
-    "layout_seq_with_completion": "image 17 73 109 105 | text 17 178 109 11 | text 17 36 109 19 | text 17 59 109 10 | text button 17 203 109 27 | [ toolbar 0 8 144 20 | icon 0 8 19 20 | icon 130 9 14 17 | text 21 13 44 9 ]",
-    "layout_seq_without_completion": "image 17 73 109 105 | text 17 178 109 11 | text 17 36 109 19 | text 17 59 109 10 | text button 17 203 109 27 | [ toolbar 0 8 144 20 | icon 0 8 19 20 | icon 130 9 14 17 | text 21 13 44 9 ]",
-    "plain_layout_seq": "icon 0 8 19 20 | icon 130 9 14 17 | image 17 73 109 105 | text 17 178 109 11 | text 17 36 109 19 | text 17 59 109 10 | text 21 13 44 9 | text button 17 203 109 27 | toolbar 0 8 144 20",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
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-        "type": "text",
-        "position": [
-          210,
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-          442,
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-      },
-      {
-        "type": "icon",
-        "position": [
-          0,
-          84,
-          196,
-          196
-        ]
-      },
-      {
-        "type": "icon",
-        "position": [
-          1300,
-          98,
-          140,
-          168
-        ]
-      },
-      {
-        "type": "toolbar",
-        "position": [
-          0,
-          84,
-          1440,
-          196
-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          175,
-          2030,
-          1090,
-          278
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          175,
-          1784,
-          1090,
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-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          175,
-          364,
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-      },
-      {
-        "type": "text",
-        "position": [
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-      },
-      {
-        "type": "image",
-        "position": [
-          175,
-          733,
-          1090,
-          1051
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-      }
-    ]
-  },
-  {
-    "text": "a recommendation page for saving money. there is a large list item and a background image nearly the page size. at the lower half of the page, inside the list item, there is a long text. under that text, there are two text buttons that are placed side by side and a text button below the other two. the first two text buttons are options for either signing up or logging in.",
-    "region_id": "6915",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:list item [item [el:background image [attr:size'large'] ] [el:text [attr:size'large'] ] [el:text button] [el:text button] [el:text button] ] ] ]",
-    "execution": "singleinfo : [ list item undefined undefined | background image undefined large | text undefined large | text button undefined undefined | text button undefined undefined | text button undefined undefined ]",
-    "layout_seq_with_completion": "background image 0 8 144 231 | image 64 197 3 3 | image 70 197 3 3 | image 76 197 3 3 | text 0 184 144 10 | text button 52 222 39 17 | text button 72 204 58 18 | text button 13 204 58 18",
-    "layout_seq_without_completion": "background image 0 8 144 231 | image 64 197 3 3 | image 70 197 3 3 | image 76 197 3 3 | text 0 184 144 10 | text button 52 222 39 17 | text button 72 204 58 18 | text button 13 204 58 18",
-    "plain_layout_seq": "background image 0 8 144 231 | image 64 197 3 3 | image 70 197 3 3 | image 76 197 3 3 | text 0 184 144 10 | text button 52 222 39 17 | text button 72 204 58 18 | text button 13 204 58 18",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
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-        "type": "background image",
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-        "type": "text",
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-        "type": "image",
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-      {
-        "type": "image",
-        "position": [
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-      {
-        "type": "image",
-        "position": [
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-      },
-      {
-        "type": "text button",
-        "position": [
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-      },
-      {
-        "type": "text button",
-        "position": [
-          727,
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-      }
-    ]
-  },
-  {
-    "text": "the page is used to select the location. there is one text at the top of the page. below the text is the input to enter the location. there are five entries of list items taking up the 2nd half of the page. between the first list item and the input are an icon and a text.",
-    "region_id": "1105",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:text [attr:position'top'] ] [el:input] [el:list item [attr:repeat'5'] ][el:icon] [el:text] ]",
-    "execution": "singleinfo : icon undefined undefined | input undefined undefined | list item undefined undefined | list item undefined undefined | list item undefined undefined | list item undefined undefined | list item undefined undefined | text top undefined | text undefined undefined",
-    "layout_seq_with_completion": "icon 27 96 9 9 | input 27 79 90 12 | text 27 53 90 8 | text 40 96 77 8 | [ list item 29 114 88 12 | text 29 114 18 12 ] | [ list item 29 126 88 16 | text 29 126 25 16 ] | [ list item 29 142 88 17 | text 29 142 22 17 ] | [ list item 29 159 88 16 | text 29 159 16 16 ] | [ list item 29 175 88 17 | text 29 175 14 17 ] | [ list item 29 192 88 6 | text 29 192 12 6 ]",
-    "layout_seq_without_completion": "icon 27 96 9 9 | input 27 79 90 12 | text 27 53 90 8 | text 40 96 77 8 | [ list item 29 114 88 12 | text 29 114 18 12 ] | [ list item 29 126 88 16 | text 29 126 25 16 ] | [ list item 29 142 88 17 | text 29 142 22 17 ] | [ list item 29 159 88 16 | text 29 159 16 16 ] | [ list item 29 175 88 17 | text 29 175 14 17 ] | [ list item 29 192 88 6 | text 29 192 12 6 ]",
-    "plain_layout_seq": "icon 27 96 9 9 | input 27 79 90 12 | list item 29 114 88 12 | list item 29 126 88 16 | list item 29 142 88 17 | list item 29 159 88 16 | list item 29 175 88 17 | list item 29 192 88 6 | text 27 53 90 8 | text 40 96 77 8 | text 29 114 18 12 | text 29 126 25 16 | text 29 142 22 17 | text 29 159 16 16 | text 29 175 14 17 | text 29 192 12 6",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "text",
-        "position": [
-          270,
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-      },
-      {
-        "type": "input",
-        "position": [
-          270,
-          790,
-          900,
-          121
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-      },
-      {
-        "type": "icon",
-        "position": [
-          270,
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-          96,
-          93
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-      },
-      {
-        "type": "text",
-        "position": [
-          401,
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-      },
-      {
-        "type": "text",
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-          292,
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-      },
-      {
-        "type": "list item",
-        "position": [
-          292,
-          1143,
-          878,
-          121
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-      },
-      {
-        "type": "text",
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-          292,
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-          166
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-      },
-      {
-        "type": "list item",
-        "position": [
-          292,
-          1263,
-          878,
-          166
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-      },
-      {
-        "type": "text",
-        "position": [
-          292,
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-        ]
-      },
-      {
-        "type": "list item",
-        "position": [
-          292,
-          1428,
-          878,
-          166
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          292,
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-          166,
-          166
-        ]
-      },
-      {
-        "type": "list item",
-        "position": [
-          292,
-          1593,
-          878,
-          166
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          292,
-          1758,
-          146,
-          166
-        ]
-      },
-      {
-        "type": "list item",
-        "position": [
-          292,
-          1758,
-          878,
-          166
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          292,
-          1923,
-          118,
-          64
-        ]
-      },
-      {
-        "type": "list item",
-        "position": [
-          292,
-          1923,
-          878,
-          64
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a page to create an account for an app. on the top, there is a small image. in the middle of the page, there is a big image with one small text below it. below the text is a pager indicator. at the bottom of the page, there are two entries of text buttons used to create an account or log in for the user who already has an account.",
-    "region_id": "7550",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:image [attr:size'small'][attr:position'top'] ] [el:image [attr:size'large'] ] [el:text [attr:size'small'] ] [el:pager indicator][el:text button[attr:repeat'2']] ]",
-    "execution": "singleinfo : image top small | image undefined large | pager indicator undefined undefined | text undefined small | text button undefined undefined | text button undefined undefined",
-    "layout_seq_with_completion": "image 17 43 109 110 | image 39 13 65 14 | pager indicator 64 182 12 4 | text 29 160 85 7 | text button 7 196 130 19 | text button 26 222 92 13",
-    "layout_seq_without_completion": "image 17 43 109 110 | image 39 13 65 14 | pager indicator 64 182 12 4 | text 29 160 85 7 | text button 7 196 130 19 | text button 26 222 92 13",
-    "plain_layout_seq": "image 17 43 109 110 | image 39 13 65 14 | pager indicator 64 182 12 4 | text 29 160 85 7 | text button 7 196 130 19 | text button 26 222 92 13",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "image",
-        "position": [
-          392,
-          137,
-          656,
-          140
-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          70,
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-          182
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-      },
-      {
-        "type": "text button",
-        "position": [
-          260,
-          2221,
-          920,
-          136
-        ]
-      },
-      {
-        "type": "pager indicator",
-        "position": [
-          647,
-          1829,
-          113,
-          35
-        ]
-      },
-      {
-        "type": "image",
-        "position": [
-          174,
-          438,
-          1092,
-          1092
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          295,
-          1600,
-          849,
-          75
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-      }
-    ]
-  },
-  {
-    "text": "a page is for creating an account or signing in. on the top, there is one toolbar with one text in it. below is one text. in the middle of the page, there is one image. below are two text buttons where users can create an account or sign in. at the bottom, there is one text button.",
-    "region_id": "3129",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:text] ] ] [el:text] [el:image] [el:text button] [el:text button] [el:text button [attr:position'bottom']] ]",
-    "execution": "singleinfo : image undefined undefined | text undefined undefined | text button bottom undefined | text button undefined undefined | text button undefined undefined | [ toolbar top undefined | text undefined undefined ]",
-    "layout_seq_with_completion": "image 45 64 53 53 | text 0 35 144 11 | text button 0 225 144 14 | text button 44 139 56 17 | text button 44 160 56 17 | [ toolbar 0 8 144 20 | text 5 14 22 8 ]",
-    "layout_seq_without_completion": "image 45 64 53 53 | text 0 35 144 11 | text button 0 225 144 14 | text button 44 139 56 17 | text button 44 160 56 17 | [ toolbar 0 8 144 20 | text 5 14 22 8 ]",
-    "plain_layout_seq": "image 45 64 53 53 | text 0 35 144 11 | text 5 14 22 8 | text button 0 225 144 14 | text button 44 139 56 17 | text button 44 160 56 17 | toolbar 0 8 144 20",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "text",
-        "position": [
-          56,
-          141,
-          222,
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-        ]
-      },
-      {
-        "type": "toolbar",
-        "position": [
-          0,
-          84,
-          1440,
-          196
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          0,
-          357,
-          1440,
-          112
-        ]
-      },
-      {
-        "type": "image",
-        "position": [
-          457,
-          645,
-          525,
-          525
-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          440,
-          1398,
-          560,
-          168
-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          440,
-          1602,
-          560,
-          168
-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          0,
-          2256,
-          1440,
-          136
-        ]
-      }
-    ]
-  },
-  {
-    "text": "the page is used for updating the app. there is a background image on the page. on the top, there is an image in the middle. on the bottom, there are two texts and a text button for google play store.",
-    "region_id": "349",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:background image] [el:image [attr:position'top'] ] [el:text [attr:repeat'2'] [attr:position'bottom'] ] [el:text button] ]",
-    "execution": "singleinfo : background image undefined undefined | image top undefined | text bottom undefined | text bottom undefined | text button undefined undefined",
-    "layout_seq_with_completion": "background image 0 8 144 231 | image 28 25 88 88 | text 11 171 121 13 | text 12 186 119 24 | text button 46 212 51 15",
-    "layout_seq_without_completion": "background image 0 8 144 231 | image 28 25 88 88 | text 11 171 121 13 | text 12 186 119 24 | text button 46 212 51 15",
-    "plain_layout_seq": "background image 0 8 144 231 | image 28 25 88 88 | text 11 171 121 13 | text 12 186 119 24 | text button 46 212 51 15",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "background image",
-        "position": [
-          0,
-          84,
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-          2308
-        ]
-      },
-      {
-        "type": "image",
-        "position": [
-          280,
-          259,
-          880,
-          872
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          116,
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-          1208,
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-      },
-      {
-        "type": "text",
-        "position": [
-          126,
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-          1188,
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-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          460,
-          2129,
-          519,
-          147
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a sign-up page for an app. there are three different sign-up options for users to choose from. there is a large background image nearly the page size. in the lower half of the page, there are three long text buttons showing the sign-up options. there is a long text and a small input placed side by side under these text buttons. users can choose to give their consent to receiving update messages. at the bottom of the page, there is a long text button.",
-    "region_id": "11117",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:background image [attr:size'large'] ] [el:text button [attr:size'large'] [attr:repeat'3']] [el:text [attr:size'large'] ] [el:input [attr:size'small'] ] [el:text button [attr:size'large'] [attr:position'bottom']] ]",
-    "execution": "singleinfo : background image undefined large | input undefined small | text undefined large | text button bottom large | text button undefined large | text button undefined large | text button undefined large",
-    "layout_seq_with_completion": "background image 0 8 144 231 | input 93 197 22 12 | text 68 159 7 7 | text 28 199 65 7 | text button 14 226 116 10 | text button 22 109 99 19 | text button 22 134 99 20 | text button 22 171 99 20",
-    "layout_seq_without_completion": "background image 0 8 144 231 | input 93 197 22 12 | text 68 159 7 7 | text 28 199 65 7 | text button 14 226 116 10 | text button 22 109 99 19 | text button 22 134 99 20 | text button 22 171 99 20",
-    "plain_layout_seq": "background image 0 8 144 231 | input 93 197 22 12 | text 68 159 7 7 | text 28 199 65 7 | text button 14 226 116 10 | text button 22 109 99 19 | text button 22 134 99 20 | text button 22 171 99 20",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "background image",
-        "position": [
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-          84,
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-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          140,
-          2261,
-          1160,
-          103
-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          224,
-          1093,
-          992,
-          196
-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          224,
-          1345,
-          992,
-          196
-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          224,
-          1719,
-          992,
-          196
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          682,
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-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          282,
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-          654,
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-        ]
-      },
-      {
-        "type": "input",
-        "position": [
-          936,
-          1971,
-          222,
-          122
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a registration page for creating a checking account. there is a small image, a text, and a small icon at the top of the page placed separately and side by side. below them, there is a large image giving users specific instructions in order to proceed. at the bottom of the page, there are two text buttons of the same size placed side by side. they are options for going to the next or the previous step. under these text buttons, there is another long text button.",
-    "region_id": "5607",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:image [attr:size'small'] [attr:position'top'] ] [el:text [attr:position'top']] [el:icon [attr:size'small'] [attr:position'top'] ] [el:image [attr:size'large'] ] [el:text button [attr:position'bottom'] ] [el:text button [attr:position'bottom'] ] [el:text button [attr:position'bottom'] ] ]",
-    "execution": "singleinfo : icon top small | image top small | image undefined large | text top undefined | text button bottom undefined | text button bottom undefined | text button bottom undefined",
-    "layout_seq_with_completion": "icon 125 8 19 18 | image 0 8 34 18 | image 0 33 144 161 | text 44 13 55 7 | text button 5 229 133 4 | text button 5 207 63 17 | text button 75 206 63 18",
-    "layout_seq_without_completion": "icon 125 8 19 18 | image 0 8 34 18 | image 0 33 144 161 | text 44 13 55 7 | text button 5 229 133 4 | text button 5 207 63 17 | text button 75 206 63 18",
-    "plain_layout_seq": "icon 125 8 19 18 | image 0 8 34 18 | image 0 33 144 161 | text 44 13 55 7 | text button 5 229 133 4 | text button 5 207 63 17 | text button 75 206 63 18",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "image",
-        "position": [
-          0,
-          84,
-          347,
-          179
-        ]
-      },
-      {
-        "type": "icon",
-        "position": [
-          1250,
-          84,
-          190,
-          179
-        ]
-      },
-      {
-        "type": "image",
-        "position": [
-          0,
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-          1612
-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          53,
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-      },
-      {
-        "type": "text",
-        "position": [
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-          558,
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-      },
-      {
-        "type": "text button",
-        "position": [
-          53,
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-          168
-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          755,
-          2068,
-          632,
-          175
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a page showing the end-user license agreement of an app. there is a big modal, which occupies most of the page. on the top of the page, there is one image and one text to show the image and name of the app. under them are one image and one big text showing the end-user license agreement. at the bottom of the modal, there is three text buttons side by side to check the privacy, accept and refuse the agreement.",
-    "region_id": "4397",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:modal [gattr:size'large'] [item [el:image [attr:position'top'] ] [el:text [attr:position'top'] ] [el:image] [el:text [attr:size'large'] ] [el:text button [attr:position'bottom']] [el:text button [attr:position'bottom']] [el:text button [attr:position'bottom']] ] ] ]",
-    "execution": "singleinfo : [ modal undefined large | image top undefined | image undefined undefined | text top undefined | text undefined large | text button bottom undefined | text button bottom undefined | text button bottom undefined ]",
-    "layout_seq_with_completion": "[ modal 8 8 128 231 | image 13 39 118 0 | image 17 17 20 19 | text 37 22 90 8 | text 18 40 109 173 | text button 14 215 38 16 | text button 91 215 39 16 | text button 52 215 39 16 ]",
-    "layout_seq_without_completion": "[ modal 8 8 128 231 | image 13 39 118 0 | image 17 17 20 19 | text 37 22 90 8 | text 18 40 109 173 | text button 14 215 38 16 | text button 91 215 39 16 | text button 52 215 39 16 ]",
-    "plain_layout_seq": "image 13 39 118 0 | image 17 17 20 19 | modal 8 8 128 231 | text 37 22 90 8 | text 18 40 109 173 | text button 14 215 38 16 | text button 91 215 39 16 | text button 52 215 39 16",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "image",
-        "position": [
-          135,
-          393,
-          1177,
-          4
-        ]
-      },
-      {
-        "type": "image",
-        "position": [
-          170,
-          172,
-          203,
-          189
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          373,
-          224,
-          904,
-          85
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          184,
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-          1093,
-          1732
-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          142,
-          2150,
-          387,
-          168
-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          529,
-          2150,
-          388,
-          168
-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          917,
-          2150,
-          388,
-          168
-        ]
-      },
-      {
-        "type": "modal",
-        "position": [
-          80,
-          84,
-          1280,
-          2308
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a page is used for users to log in. one the top, there is one image including updated information of the app. in the middle, there is one image and two inputs for users to input username and password. next, there is one text on the left and one input on the right, following one text button for logging in. at the bottom, there are three text buttons.",
-    "region_id": "13161",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:image [attr:position'top'] ] [el:image] [el:input [attr:repeat'2'] ] [el:text] [el:input] [el:text button] [el:text button [attr:repeat'3'] [attr:position'bottom'] ] ]",
-    "execution": "singleinfo : image top undefined | image undefined undefined | input undefined undefined | input undefined undefined | input undefined undefined | text undefined undefined | text button bottom undefined | text button bottom undefined | text button bottom undefined | text button undefined undefined",
-    "layout_seq_with_completion": "image 0 8 144 92 | image 19 109 105 18 | input 23 127 97 13 | input 23 143 97 13 | input 81 158 39 10 | text 23 160 35 7 | text button 0 225 47 14 | text button 48 225 47 14 | text button 96 225 48 14 | text button 23 171 97 15",
-    "layout_seq_without_completion": "image 0 8 144 92 | image 19 109 105 18 | input 23 127 97 13 | input 23 143 97 13 | input 81 158 39 10 | text 23 160 35 7 | text button 0 225 47 14 | text button 48 225 47 14 | text button 96 225 48 14 | text button 23 171 97 15",
-    "plain_layout_seq": "image 0 8 144 92 | image 19 109 105 18 | input 23 127 97 13 | input 23 143 97 13 | input 81 158 39 10 | text 23 160 35 7 | text button 0 225 47 14 | text button 48 225 47 14 | text button 96 225 48 14 | text button 23 171 97 15",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
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-      },
-      {
-        "type": "text button",
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-      {
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-        "position": [
-          480,
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-      },
-      {
-        "type": "text button",
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-        "type": "image",
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-      },
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-        "type": "input",
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-      },
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-        "type": "input",
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-      },
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-      }
-    ]
-  },
-  {
-    "text": "a page for the terms and conditions of an app oto global. on the top, there is a small text. below are two entries of the web view showing the agreement and privacy policy. at the bottom of the page, there is a text button used to agree on the content of the page.",
-    "region_id": "4060",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:text [attr:size'small'] [attr:position'top'] ] [el:web view [attr:repeat'2'] ] [el:text button [attr:position'bottom'] ] ]",
-    "execution": "singleinfo : text top small | text button bottom undefined | web view undefined undefined | web view undefined undefined",
-    "layout_seq_with_completion": "text 3 13 137 9 | text button 3 218 137 17 | web view 4 28 135 91 | web view 4 123 135 91",
-    "layout_seq_without_completion": "text 3 13 137 9 | text button 3 218 137 17 | web view 4 28 135 91 | web view 4 123 135 91",
-    "plain_layout_seq": "text 3 13 137 9 | text button 3 218 137 17 | web view 4 28 135 91 | web view 4 123 135 91",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
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-      },
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-        "type": "web view",
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-      },
-      {
-        "type": "web view",
-        "position": [
-          42,
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-      }
-    ]
-  },
-  {
-    "text": "a page for selecting loan services. there are two rows of texts in different lengths in the upper half of the page. below them, there are two rows of text buttons showing the information of the loan service. at the center of the page, there is a small text with a small text button below it.",
-    "region_id": "13658",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:text [attr:repeat'2'] ] [el:text button [attr:repeat'2'] ] [el:text [attr:size'small'] ] [el:text button [attr:size'small'] ] ]",
-    "execution": "singleinfo : text undefined small | text undefined undefined | text undefined undefined | text button undefined small | text button undefined undefined | text button undefined undefined",
-    "layout_seq_with_completion": "text 56 113 31 10 | text 1 8 141 8 | text 28 34 87 11 | text button 29 61 85 17 | text button 21 83 101 17 | text button 42 131 59 17",
-    "layout_seq_without_completion": "text 56 113 31 10 | text 1 8 141 8 | text 28 34 87 11 | text button 29 61 85 17 | text button 21 83 101 17 | text button 42 131 59 17",
-    "plain_layout_seq": "text 56 113 31 10 | text 1 8 141 8 | text 28 34 87 11 | text button 29 61 85 17 | text button 21 83 101 17 | text button 42 131 59 17",
-    "canvas_width": 1440,
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-      {
-        "type": "text button",
-        "position": [
-          429,
-          1319,
-          582,
-          168
-        ]
-      }
-    ]
-  },
-  {
-    "text": "this is a page for a widget. on the top, there are two images that occupy most of the page. below, there is a pager indicator with one text and one button for users to install the widget.",
-    "region_id": "14356",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:image [attr:position'top'] ] [el:image [attr:position'top'] ] [el:pager indicator] [el:text] [el:text button] ]",
-    "execution": "singleinfo : image top undefined | image top undefined | pager indicator undefined undefined | text undefined undefined | text button undefined undefined",
-    "layout_seq_with_completion": "image 0 20 45 151 | image 50 20 88 151 | pager indicator 0 171 144 3 | text 6 174 131 33 | text button 4 207 135 21",
-    "layout_seq_without_completion": "image 0 20 45 151 | image 50 20 88 151 | pager indicator 0 171 144 3 | text 6 174 131 33 | text button 4 207 135 21",
-    "plain_layout_seq": "image 0 20 45 151 | image 50 20 88 151 | pager indicator 0 171 144 3 | text 6 174 131 33 | text button 4 207 135 21",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
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-        "type": "pager indicator",
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-      },
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-      },
-      {
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-      },
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-      },
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-        "type": "text button",
-        "position": [
-          43,
-          2077,
-          1354,
-          210
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a verification page of an app. there is a small icon near the right corner at the top of the page. below the icon, there are two rows of short texts parallel to each other directing the user on verification. below these items, there is a long input where the user types in a code. under the input, there are two short texts.",
-    "region_id": "5373",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:icon [attr:size'small'] [attr:position'top'] ] [el:text [attr:size'small'] [attr:repeat'2'] ] [el:input [attr:size'large'] ] [el:text [attr:size'small'] ] [el:text [attr:size'small'] ] ]",
-    "execution": "singleinfo : icon top small | input undefined large | text undefined small | text undefined small | text undefined small | text undefined small",
-    "layout_seq_with_completion": "icon 127 8 17 17 | input 11 57 89 24 | text 11 25 49 9 | text 11 84 54 7 | text 11 37 85 14 | text 11 91 44 8 | text button 111 222 33 17",
-    "layout_seq_without_completion": "icon 127 8 17 17 | input 11 57 89 24 | text 11 25 49 9 | text 11 84 54 7 | text 11 37 85 14 | text 11 91 44 8 | text button 111 222 33 17",
-    "plain_layout_seq": "icon 127 8 17 17 | input 11 57 89 24 | text 11 25 49 9 | text 11 84 54 7 | text 11 37 85 14 | text 11 91 44 8 | text button 111 222 33 17",
-    "canvas_width": 1440,
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-      },
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-        "position": [
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-          444,
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-      }
-    ]
-  },
-  {
-    "text": "a page is used for settings view. on the top, there is one icon and one text. below is one small text and one big text, which shows the detailed content of the settings.",
-    "region_id": "11868",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:icon [attr:position'top'] ] [el:text [attr:position'top'] ] [el:text [attr:size'small'] ] [el:text [attr:size'large'] ] ]",
-    "execution": "singleinfo : icon top undefined | text top undefined | text undefined small | text undefined large",
-    "layout_seq_with_completion": "text 5 25 45 10 | text 3 38 141 201 | [ toolbar 0 8 144 17 | icon 2 8 14 17 | icon 4 11 11 11 | text 16 12 35 9 ]",
-    "layout_seq_without_completion": "text 5 25 45 10 | text 3 38 141 201 | [ toolbar 0 8 144 17 | icon 2 8 14 17 | icon 4 11 11 11 | text 16 12 35 9 ]",
-    "plain_layout_seq": "icon 2 8 14 17 | icon 4 11 11 11 | text 5 25 45 10 | text 3 38 141 201 | text 16 12 35 9 | toolbar 0 8 144 17",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
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-          43,
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-          112,
-          112
-        ]
-      },
-      {
-        "type": "icon",
-        "position": [
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-        ]
-      },
-      {
-        "type": "text",
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-      },
-      {
-        "type": "toolbar",
-        "position": [
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-        ]
-      },
-      {
-        "type": "text",
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-      },
-      {
-        "type": "text",
-        "position": [
-          35,
-          380,
-          1405,
-          2012
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a page showing a picture. the whole page is a background image. on the right top, there is a small image. below are two entries of images in the middle showing the main part of the picture.",
-    "region_id": "8914",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:background image] [el:image [attr:size'small'] [attr:position'top'] ] [el:image [attr:repeat'2'] ] ]",
-    "execution": "singleinfo : background image undefined undefined | image top small | image undefined undefined | image undefined undefined",
-    "layout_seq_with_completion": "background image 0 8 144 231 | image 129 12 12 13 | image 48 19 47 80 | image 56 108 31 30",
-    "layout_seq_without_completion": "background image 0 8 144 231 | image 129 12 12 13 | image 48 19 47 80 | image 56 108 31 30",
-    "plain_layout_seq": "background image 0 8 144 231 | image 129 12 12 13 | image 48 19 47 80 | image 56 108 31 30",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "background image",
-        "position": [
-          0,
-          84,
-          1440,
-          2308
-        ]
-      },
-      {
-        "type": "image",
-        "position": [
-          1295,
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-          117,
-          124
-        ]
-      },
-      {
-        "type": "image",
-        "position": [
-          481,
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-          478,
-          793
-        ]
-      },
-      {
-        "type": "image",
-        "position": [
-          566,
-          1089,
-          308,
-          292
-        ]
-      }
-    ]
-  },
-  {
-    "text": "this is a page for an introduction. there is an image that occupies the whole page. in the middle of the image, there is one image and two texts. at the bottom, there is an icon and four images.",
-    "region_id": "6599",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:image [attr:size'large'] ] [el:image] [el:text [attr:repeat'2'] ] [el:icon] [el:image [attr:repeat'4'] ] ]",
-    "execution": "singleinfo : icon undefined undefined | image undefined large | image undefined undefined | image undefined undefined | image undefined undefined | image undefined undefined | image undefined undefined | text undefined undefined | text undefined undefined",
-    "layout_seq_with_completion": "icon 48 197 9 5 | image 57 197 10 5 | image 3 11 137 224 | image 67 197 9 5 | image 76 197 10 5 | image 86 197 9 5 | image 23 71 97 70 | text 23 141 16 7 | text 23 148 97 12",
-    "layout_seq_without_completion": "icon 48 197 9 5 | image 57 197 10 5 | image 3 11 137 224 | image 67 197 9 5 | image 76 197 10 5 | image 86 197 9 5 | image 23 71 97 70 | text 23 141 16 7 | text 23 148 97 12",
-    "plain_layout_seq": "icon 48 197 9 5 | image 57 197 10 5 | image 3 11 137 224 | image 67 197 9 5 | image 76 197 10 5 | image 86 197 9 5 | image 23 71 97 70 | text 23 141 16 7 | text 23 148 97 12",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
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-        "type": "image",
-        "position": [
-          35,
-          118,
-          1370,
-          2240
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-      },
-      {
-        "type": "icon",
-        "position": [
-          482,
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-          96,
-          56
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-      },
-      {
-        "type": "image",
-        "position": [
-          578,
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-          95,
-          54
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-      },
-      {
-        "type": "image",
-        "position": [
-          673,
-          1972,
-          95,
-          54
-        ]
-      },
-      {
-        "type": "image",
-        "position": [
-          768,
-          1972,
-          95,
-          54
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-      },
-      {
-        "type": "image",
-        "position": [
-          863,
-          1972,
-          95,
-          54
-        ]
-      },
-      {
-        "type": "image",
-        "position": [
-          236,
-          714,
-          967,
-          700
-        ]
-      },
-      {
-        "type": "text",
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-      },
-      {
-        "type": "text",
-        "position": [
-          236,
-          1480,
-          967,
-          123
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a page to select style senses in the style quiz. on right top, there is a small icon used to close the page. below are three entries of texts telling the user to choose the style. below are three entries of image showing the specific style for the user to choose. in the second image, there is a small icon in the middle showing what the user chooses. at the right bottom of the page, there is a small image.",
-    "region_id": "5464",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:icon [attr:size'small'] [attr:position'top'] ] [el:text [attr:repeat'3'] ] [el:image [attr:repeat'3'] ] [el:icon [attr:size'small'] ] [el:image [attr:size'small'] [attr:position'bottom'] ] ]",
-    "execution": "singleinfo : icon top small | icon undefined small | image bottom small | image undefined undefined | image undefined undefined | image undefined undefined | text undefined undefined | text undefined undefined | text undefined undefined",
-    "layout_seq_with_completion": "icon 66 149 11 11 | image 115 223 29 16 | image 114 15 30 9 | image 2 71 139 52 | image 2 128 139 53 | image 2 186 139 37 | text 0 24 144 10 | text 0 34 144 21 | text 0 55 144 10",
-    "layout_seq_without_completion": "icon 66 149 11 11 | image 115 223 29 16 | image 114 15 30 9 | image 2 71 139 52 | image 2 128 139 53 | image 2 186 139 37 | text 0 24 144 10 | text 0 34 144 21 | text 0 55 144 10",
-    "plain_layout_seq": "icon 66 149 11 11 | image 115 223 29 16 | image 114 15 30 9 | image 2 71 139 52 | image 2 128 139 53 | image 2 186 139 37 | text 0 24 144 10 | text 0 34 144 21 | text 0 55 144 10",
-    "canvas_width": 1440,
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-      },
-      {
-        "type": "text",
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-      },
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-        "position": [
-          1141,
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-      },
-      {
-        "type": "image",
-        "position": [
-          1152,
-          2235,
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-      },
-      {
-        "type": "image",
-        "position": [
-          25,
-          714,
-          1390,
-          524
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-      },
-      {
-        "type": "image",
-        "position": [
-          25,
-          1288,
-          1390,
-          524
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-      },
-      {
-        "type": "icon",
-        "position": [
-          667,
-          1497,
-          105,
-          105
-        ]
-      },
-      {
-        "type": "image",
-        "position": [
-          25,
-          1862,
-          1390,
-          373
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a page to choose new lullabies or others. in the middle of the page, there are two entries of text buttons used to choose new lullabies or others. at the bottom of the page, there is a web view with an advertisement.",
-    "region_id": "1504",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:text button[attr:repeat'2']] [el:web view[attr:position'bottom']] [el:advertisement[attr:position'bottom']] ]",
-    "execution": "singleinfo : advertisement bottom undefined | text button undefined undefined | text button undefined undefined | web view bottom undefined",
-    "layout_seq_with_completion": "text button 45 113 53 10 | text button 45 125 53 11 | web view 0 221 144 18",
-    "layout_seq_without_completion": "text button 45 113 53 10 | text button 45 125 53 11 | web view 0 221 144 18",
-    "plain_layout_seq": "text button 45 113 53 10 | text button 45 125 53 11 | web view 0 221 144 18",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "text button",
-        "position": [
-          457,
-          1133,
-          525,
-          105
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-      },
-      {
-        "type": "text button",
-        "position": [
-          457,
-          1256,
-          525,
-          105
-        ]
-      },
-      {
-        "type": "web view",
-        "position": [
-          0,
-          2217,
-          1440,
-          175
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a page for selecting more smileys and choosing a send method. in the middle of the page, there is one little input to close the page. the following is one image for showing the smily you choose. and there are two text buttons. the first one is for selecting more smileys, and users can click the other to send the smiley to facebook or email.",
-    "region_id": "4701",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:input [attr:size'small'] ] [el:image] [el:text button [attr:repeat'2'] ] ]",
-    "execution": "singleinfo : image undefined undefined | input undefined small | text button undefined undefined | text button undefined undefined",
-    "layout_seq_with_completion": "image 57 85 28 28 | input 30 74 11 11 | text button 5 141 133 38 | text button 30 118 83 17",
-    "layout_seq_without_completion": "image 57 85 28 28 | input 30 74 11 11 | text button 5 141 133 38 | text button 30 118 83 17",
-    "plain_layout_seq": "image 57 85 28 28 | input 30 74 11 11 | text button 5 141 133 38 | text button 30 118 83 17",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
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-        "type": "text button",
-        "position": [
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-        "type": "text button",
-        "position": [
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-      },
-      {
-        "type": "input",
-        "position": [
-          307,
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-          112
-        ]
-      },
-      {
-        "type": "image",
-        "position": [
-          579,
-          852,
-          280,
-          280
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a page for users to set a new keyboard. there are two images in the upper of the page. below them, there is a text, a text button for enabling this keyboard as a new keyboard, and an image.",
-    "region_id": "1117",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:image] [el:image ] [el:text ] [el:text button] [el:image] ]",
-    "execution": "singleinfo : image undefined undefined | image undefined undefined | image undefined undefined | text undefined undefined | text button undefined undefined",
-    "layout_seq_with_completion": "image 0 17 144 11 | image 0 28 144 108 | image 0 216 144 17 | text 8 145 127 50 | text button 0 203 144 13",
-    "layout_seq_without_completion": "image 0 17 144 11 | image 0 28 144 108 | image 0 216 144 17 | text 8 145 127 50 | text button 0 203 144 13",
-    "plain_layout_seq": "image 0 17 144 11 | image 0 28 144 108 | image 0 216 144 17 | text 8 145 127 50 | text button 0 203 144 13",
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-  },
-  {
-    "text": "a page about the terms of use of an app. on the top, there is a toolbar with an icon used to close the page on the left and a small image in the middle. below the toolbar is a big web view that occupies the remaining page showing the details of the terms of use.",
-    "region_id": "2199",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:icon[attr:position'left']] [el:image [attr:size'small'] ] ] ] [el:web view [attr:size'large'] ] ]",
-    "execution": "singleinfo : web view undefined large | [ toolbar top undefined | icon left undefined | image undefined small ]",
-    "layout_seq_with_completion": "web view 0 28 144 211 | [ toolbar 0 8 144 20 | icon 0 8 19 20 | image 39 9 66 17 ]",
-    "layout_seq_without_completion": "web view 0 28 144 211 | [ toolbar 0 8 144 20 | icon 0 8 19 20 | image 39 9 66 17 ]",
-    "plain_layout_seq": "icon 0 8 19 20 | image 39 9 66 17 | toolbar 0 8 144 20 | web view 0 28 144 211",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "image",
-        "position": [
-          390,
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-          175
-        ]
-      },
-      {
-        "type": "icon",
-        "position": [
-          0,
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-          196,
-          196
-        ]
-      },
-      {
-        "type": "toolbar",
-        "position": [
-          0,
-          84,
-          1440,
-          196
-        ]
-      },
-      {
-        "type": "web view",
-        "position": [
-          0,
-          280,
-          1440,
-          2112
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a page for updating the app. in the middle, there is a modal. in the modal, there is an image on the upper half with two texts below it. the following is a text button for updating.",
-    "region_id": "11507",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:modal [item [el:image] [el:text[attr:repeat'2']] [el:text button] ] ] ]",
-    "execution": "singleinfo : [ modal undefined undefined | image undefined undefined | text undefined undefined | text undefined undefined | text button undefined undefined ]",
-    "layout_seq_with_completion": "[ modal 12 45 119 156 | image 12 77 119 41 | text 52 124 39 9 | text 40 135 63 7 | text 36 142 71 6 | text button 39 154 65 15 ]",
-    "layout_seq_without_completion": "[ modal 12 45 119 156 | image 12 77 119 41 | text 52 124 39 9 | text 40 135 63 7 | text 36 142 71 6 | text button 39 154 65 15 ]",
-    "plain_layout_seq": "image 12 77 119 41 | modal 12 45 119 156 | text 52 124 39 9 | text 40 135 63 7 | text 36 142 71 6 | text button 39 154 65 15",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "image",
-        "position": [
-          128,
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-      },
-      {
-        "type": "text",
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-        "type": "text",
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-      {
-        "type": "text",
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-      {
-        "type": "text button",
-        "position": [
-          394,
-          1545,
-          652,
-          150
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-      },
-      {
-        "type": "modal",
-        "position": [
-          128,
-          456,
-          1184,
-          1563
-        ]
-      }
-    ]
-  },
-  {
-    "text": "this is a page for entering the phone number. on the top, there is a toolbar. below, there is a text, an input, and a text button. at the bottom of the page, there is an advertisement with a web view.",
-    "region_id": "949",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:toolbar [attr:position'top']] [el:text] [el:input] [el:text button] [el:advertisement[attr:position'bottom']] [el:web view[attr:position'bottom']] ]",
-    "execution": "singleinfo : advertisement bottom undefined | input undefined undefined | text undefined undefined | text button undefined undefined | toolbar top undefined | web view bottom undefined",
-    "layout_seq_with_completion": "advertisement 0 221 144 18 | input 13 54 117 16 | text 13 43 117 11 | text button 19 79 105 17 | toolbar 0 8 144 20 | web view 16 221 112 18",
-    "layout_seq_without_completion": "advertisement 0 221 144 18 | input 13 54 117 16 | text 13 43 117 11 | text button 19 79 105 17 | toolbar 0 8 144 20 | web view 16 221 112 18",
-    "plain_layout_seq": "advertisement 0 221 144 18 | input 13 54 117 16 | text 13 43 117 11 | text button 19 79 105 17 | toolbar 0 8 144 20 | web view 16 221 112 18",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "toolbar",
-        "position": [
-          0,
-          84,
-          1440,
-          196
-        ]
-      },
-      {
-        "type": "web view",
-        "position": [
-          160,
-          2217,
-          1120,
-          175
-        ]
-      },
-      {
-        "type": "advertisement",
-        "position": [
-          0,
-          2217,
-          1440,
-          175
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          138,
-          439,
-          1164,
-          110
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-      },
-      {
-        "type": "input",
-        "position": [
-          138,
-          549,
-          1164,
-          157
-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          191,
-          794,
-          1058,
-          172
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-      }
-    ]
-  },
-  {
-    "text": "a map page of an app. users can enter the zipcode of a city or a state. there is a long toolbar with a small input and a small text button in it. users can type in a zipcode in the input. in the lower half of the page, near the left corner, there is a small image.",
-    "region_id": "9916",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:input [attr:size'small'] ] [el:text button [attr:size'small'] ] ] ] [el:image [attr:size'small'] [attr:position'bottom']] ]",
-    "execution": "singleinfo : image bottom small | [ toolbar top undefined | input undefined small | text button undefined small ]",
-    "layout_seq_with_completion": "image 1 229 21 8 | [ toolbar 0 8 144 20 | icon 5 8 14 20 | input 19 10 70 16 | text button 90 14 47 8 ]",
-    "layout_seq_without_completion": "image 1 229 21 8 | [ toolbar 0 8 144 20 | icon 5 8 14 20 | input 19 10 70 16 | text button 90 14 47 8 ]",
-    "plain_layout_seq": "icon 5 8 14 20 | image 1 229 21 8 | input 19 10 70 16 | text button 90 14 47 8 | toolbar 0 8 144 20",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "icon",
-        "position": [
-          56,
-          84,
-          140,
-          196
-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          906,
-          140,
-          464,
-          84
-        ]
-      },
-      {
-        "type": "input",
-        "position": [
-          196,
-          102,
-          696,
-          160
-        ]
-      },
-      {
-        "type": "toolbar",
-        "position": [
-          0,
-          84,
-          1440,
-          196
-        ]
-      },
-      {
-        "type": "image",
-        "position": [
-          18,
-          2297,
-          210,
-          77
-        ]
-      }
-    ]
-  },
-  {
-    "text": "the page is used to check the browsing history. there is a toolbar with an icon and one text on the top of the page. below the toolbar, there are 3 combinations with an icon and a text, side by side. the second to last combination is the text button. the text in the middle of the page is used for showing browsing history. at the bottom of the page, there are 4 icons and one image.",
-    "region_id": "1225",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:icon] [el:text] ] ] [el:icon] [el:text] [el:text button] [el:text] [el:icon [attr:position'bottom'] [attr:repeat'4']] [el:image [attr:position'bottom']] ]",
-    "execution": "singleinfo : icon bottom undefined | icon bottom undefined | icon bottom undefined | icon bottom undefined | icon undefined undefined | image bottom undefined | text undefined undefined | text undefined undefined | text button undefined undefined | [ toolbar top undefined | icon undefined undefined | text undefined undefined ]",
-    "layout_seq_with_completion": "icon 59 223 25 16 | icon 0 223 25 16 | icon 13 32 9 8 | icon 29 223 25 16 | icon 118 223 26 16 | icon 49 32 9 8 | icon 121 32 9 8 | image 89 223 25 16 | text 115 43 21 6 | text 7 43 21 6 | text 43 43 21 6 | text 54 117 35 42 | text button 72 28 36 25 | [ toolbar 0 8 144 20 | icon 0 8 19 20 | text 21 13 21 9 ]",
-    "layout_seq_without_completion": "icon 59 223 25 16 | icon 0 223 25 16 | icon 13 32 9 8 | icon 29 223 25 16 | icon 118 223 26 16 | icon 49 32 9 8 | icon 121 32 9 8 | image 89 223 25 16 | text 115 43 21 6 | text 7 43 21 6 | text 43 43 21 6 | text 54 117 35 42 | text button 72 28 36 25 | [ toolbar 0 8 144 20 | icon 0 8 19 20 | text 21 13 21 9 ]",
-    "plain_layout_seq": "icon 59 223 25 16 | icon 0 223 25 16 | icon 13 32 9 8 | icon 29 223 25 16 | icon 118 223 26 16 | icon 49 32 9 8 | icon 121 32 9 8 | icon 0 8 19 20 | image 89 223 25 16 | text 115 43 21 6 | text 7 43 21 6 | text 43 43 21 6 | text 54 117 35 42 | text 21 13 21 9 | text button 72 28 36 25 | toolbar 0 8 144 20",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
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-        "type": "icon",
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-      {
-        "type": "icon",
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-          297,
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-        ]
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-        "type": "icon",
-        "position": [
-          594,
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-      },
-      {
-        "type": "icon",
-        "position": [
-          1188,
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-      },
-      {
-        "type": "text",
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-      },
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-        "type": "icon",
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-          196,
-          196
-        ]
-      },
-      {
-        "type": "toolbar",
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-          84,
-          1440,
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-        ]
-      },
-      {
-        "type": "image",
-        "position": [
-          891,
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-          252,
-          158
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-      },
-      {
-        "type": "text button",
-        "position": [
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-          360,
-          252
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-      },
-      {
-        "type": "icon",
-        "position": [
-          138,
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-          84,
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-        ]
-      },
-      {
-        "type": "text",
-        "position": [
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-          218,
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-      },
-      {
-        "type": "icon",
-        "position": [
-          498,
-          321,
-          84,
-          84
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          434,
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-          212,
-          57
-        ]
-      },
-      {
-        "type": "icon",
-        "position": [
-          1218,
-          321,
-          84,
-          84
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
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-          210,
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-      },
-      {
-        "type": "text",
-        "position": [
-          545,
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-          350,
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-      }
-    ]
-  },
-  {
-    "text": "a page to select preferred interface color. on the top, there is a big image that occupies more than half page. below are two text buttons used to choose black or white side by side. in the middle of the text buttons, there is a small text. below the text buttons, there are two entries of texts telling the user to select the color. below is a paper indicator. on the right of the pager indicator, there is a small text used to skip the page.",
-    "region_id": "6140",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:image [attr:size'large'] ] [el:text button [attr:repeat'2'] ] [el:text [attr:size'small'] ] [el:text [attr:repeat'2'] ] [el:pager indicator] [el:text [attr:size'small'] [attr:position'right'] ] ]",
-    "execution": "singleinfo : image undefined large | pager indicator undefined undefined | text right small | text undefined small | text undefined undefined | text undefined undefined | text button undefined undefined | text button undefined undefined",
-    "layout_seq_with_completion": "image 0 8 144 171 | pager indicator 0 230 144 9 | text 1 207 141 30 | text 126 227 12 12 | text 1 196 141 9 | text 69 179 5 17 | text button 1 181 64 14 | text button 78 181 64 14",
-    "layout_seq_without_completion": "image 0 8 144 171 | pager indicator 0 230 144 9 | text 1 207 141 30 | text 126 227 12 12 | text 1 196 141 9 | text 69 179 5 17 | text button 1 181 64 14 | text button 78 181 64 14",
-    "plain_layout_seq": "image 0 8 144 171 | pager indicator 0 230 144 9 | text 1 207 141 30 | text 126 227 12 12 | text 1 196 141 9 | text 69 179 5 17 | text button 1 181 64 14 | text button 78 181 64 14",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "pager indicator",
-        "position": [
-          0,
-          2305,
-          1440,
-          87
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          1265,
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-          119,
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-        ]
-      },
-      {
-        "type": "text",
-        "position": [
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-      },
-      {
-        "type": "text",
-        "position": [
-          18,
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-          1404,
-          303
-        ]
-      },
-      {
-        "type": "image",
-        "position": [
-          0,
-          84,
-          1440,
-          1715
-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          18,
-          1817,
-          637,
-          133
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          691,
-          1799,
-          57,
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-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          784,
-          1817,
-          638,
-          133
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a page to log in or register for the app. on the top, there is an image showing the logo of the app. below are two entries of inputs to enter email or username and password. below are two entries of text buttons used to log in or used to find the forgotten password. below is a text button used to register. at the bottom of the page, there is a text button referring to \"i'll post property later\".",
-    "region_id": "3254",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:image [attr:position'top'] ] [el:input [attr:repeat'2'] ] [el:text button [attr:repeat'3'] ] [el:text button [attr:position'bottom'] ] ]",
-    "execution": "singleinfo : image top undefined | input undefined undefined | input undefined undefined | text button bottom undefined | text button undefined undefined | text button undefined undefined | text button undefined undefined",
-    "layout_seq_with_completion": "image 40 15 63 25 | input 3 49 137 16 | input 3 65 137 17 | text button 3 221 137 16 | text button 3 91 137 16 | text button 91 114 49 10 | text button 3 142 137 17",
-    "layout_seq_without_completion": "image 40 15 63 25 | input 3 49 137 16 | input 3 65 137 17 | text button 3 221 137 16 | text button 3 91 137 16 | text button 91 114 49 10 | text button 3 142 137 17",
-    "plain_layout_seq": "image 40 15 63 25 | input 3 49 137 16 | input 3 65 137 17 | text button 3 221 137 16 | text button 3 91 137 16 | text button 91 114 49 10 | text button 3 142 137 17",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "text button",
-        "position": [
-          35,
-          2210,
-          1370,
-          168
-        ]
-      },
-      {
-        "type": "image",
-        "position": [
-          405,
-          154,
-          630,
-          252
-        ]
-      },
-      {
-        "type": "input",
-        "position": [
-          35,
-          490,
-          1370,
-          168
-        ]
-      },
-      {
-        "type": "input",
-        "position": [
-          35,
-          658,
-          1370,
-          168
-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          35,
-          910,
-          1370,
-          168
-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          910,
-          1141,
-          495,
-          107
-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          35,
-          1423,
-          1370,
-          168
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a page showing the recent flight searches. there is a long toolbar with a small text at the top of the page. right under the toolbar, there is a list item with two small texts and an icon inside showing the search history.",
-    "region_id": "380",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:text [attr:size'small'] ] ] ] [gp:list item [item [el:text [attr:size'small'] ] [el:text [attr:size'small'] ] [el:icon] ] ] ]",
-    "execution": "singleinfo : [ toolbar top undefined | text undefined small ] | [ list item undefined undefined | icon undefined undefined | text undefined small | text undefined small ]",
-    "layout_seq_with_completion": "[ toolbar 0 8 144 20 | icon 0 8 19 20 | text 19 13 71 9 ] | [ list item 0 28 144 18 | icon 132 30 12 12 | text 102 32 30 7 | text 5 32 24 7 ]",
-    "layout_seq_without_completion": "[ toolbar 0 8 144 20 | icon 0 8 19 20 | text 19 13 71 9 ] | [ list item 0 28 144 18 | icon 132 30 12 12 | text 102 32 30 7 | text 5 32 24 7 ]",
-    "plain_layout_seq": "icon 0 8 19 20 | icon 132 30 12 12 | list item 0 28 144 18 | text 19 13 71 9 | text 102 32 30 7 | text 5 32 24 7 | toolbar 0 8 144 20",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "icon",
-        "position": [
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-      },
-      {
-        "type": "text",
-        "position": [
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-          705,
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-      },
-      {
-        "type": "toolbar",
-        "position": [
-          0,
-          84,
-          1440,
-          196
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          56,
-          322,
-          241,
-          71
-        ]
-      },
-      {
-        "type": "icon",
-        "position": [
-          1328,
-          308,
-          112,
-          112
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          1022,
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-          306,
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-        ]
-      },
-      {
-        "type": "list item",
-        "position": [
-          0,
-          280,
-          1440,
-          182
-        ]
-      }
-    ]
-  },
-  {
-    "text": "the page is for reading news. on the top, there is a toolbar with an icon and an image on the left, and an icon on the right. in the middle, the web view occupies most of the page. on the bottom is an advertisement.",
-    "region_id": "10565",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:icon ] [el:image ] [el:icon ] ] ] [el:web view [attr:size'large'] ] [el:advertisement [attr:position'bottom'] ] ]",
-    "execution": "singleinfo : advertisement bottom undefined | web view undefined large | [ toolbar top undefined | icon undefined undefined | icon undefined undefined | image undefined undefined ]",
-    "layout_seq_with_completion": "web view 16 221 112 18 | web view 0 28 144 193 | [ toolbar 0 8 144 20 | icon 127 9 17 17 | icon 0 8 19 20 | image 25 12 11 11 ]",
-    "layout_seq_without_completion": "web view 16 221 112 18 | web view 0 28 144 193 | [ toolbar 0 8 144 20 | icon 127 9 17 17 | icon 0 8 19 20 | image 25 12 11 11 ]",
-    "plain_layout_seq": "icon 127 9 17 17 | icon 0 8 19 20 | image 25 12 11 11 | toolbar 0 8 144 20 | web view 16 221 112 18 | web view 0 28 144 193",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "icon",
-        "position": [
-          0,
-          84,
-          196,
-          196
-        ]
-      },
-      {
-        "type": "image",
-        "position": [
-          252,
-          126,
-          112,
-          112
-        ]
-      },
-      {
-        "type": "icon",
-        "position": [
-          1272,
-          98,
-          168,
-          168
-        ]
-      },
-      {
-        "type": "toolbar",
-        "position": [
-          0,
-          84,
-          1440,
-          196
-        ]
-      },
-      {
-        "type": "web view",
-        "position": [
-          0,
-          280,
-          1440,
-          1937
-        ]
-      },
-      {
-        "type": "web view",
-        "position": [
-          160,
-          2217,
-          1120,
-          175
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a page to guide users to open the \"notification\" setting in the app drivemode. on the top, there are two entries of texts. in the middle of the page, there is an image. at the bottom of the page, there is a text button used to start the setting.",
-    "region_id": "12757",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:text [attr:position'top'] [attr:repeat'2'] ] [el:image] [el:text button [attr:position'bottom'] ] ]",
-    "execution": "singleinfo : image undefined undefined | text top undefined | text top undefined | text button bottom undefined",
-    "layout_seq_with_completion": "image 35 68 73 73 | text 11 19 121 11 | text 8 42 130 19 | text button 11 214 121 14",
-    "layout_seq_without_completion": "image 35 68 73 73 | text 11 19 121 11 | text 8 42 130 19 | text button 11 214 121 14",
-    "plain_layout_seq": "image 35 68 73 73 | text 11 19 121 11 | text 8 42 130 19 | text button 11 214 121 14",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "text",
-        "position": [
-          112,
-          196,
-          1216,
-          112
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          88,
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-        ]
-      },
-      {
-        "type": "image",
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-        ]
-      },
-      {
-        "type": "text button",
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-  {
-    "text": "a sign-up page of an app. there is a long text button at the top of the page. below the text button, there are three rows of separate long inputs where the user can type in information such as username. under these items, there are two rows of text buttons.",
-    "region_id": "9816",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:text button [attr:size'large'] [attr:position'top'] ] [el:input [attr:repeat'3'] [attr:size'large'] ] [el:text button [attr:repeat'2']] ]",
-    "execution": "singleinfo : input undefined large | input undefined large | input undefined large | text button top large | text button undefined undefined | text button undefined undefined",
-    "layout_seq_with_completion": "input 7 32 130 18 | input 7 53 130 18 | input 7 74 130 18 | text 0 8 144 17 | text button 0 8 17 17 | text button 7 99 130 19 | text button 14 122 116 14",
-    "layout_seq_without_completion": "input 7 32 130 18 | input 7 53 130 18 | input 7 74 130 18 | text 0 8 144 17 | text button 0 8 17 17 | text button 7 99 130 19 | text button 14 122 116 14",
-    "plain_layout_seq": "input 7 32 130 18 | input 7 53 130 18 | input 7 74 130 18 | text 0 8 144 17 | text button 0 8 17 17 | text button 7 99 130 19 | text button 14 122 116 14",
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-  },
-  {
-    "text": "the page is to start the emoji design. the page includes 3 images. the first image occupying the upper half of the page and the second image in the middle of the page are related to emoji designer. the third one in the lower half of the page is used to start the designer.",
-    "region_id": "11943",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:image [attr:position 'top'] ] [el:image] [el:image [attr:position 'bottom'] ] ]",
-    "execution": "singleinfo : image top undefined | image bottom undefined | image undefined undefined",
-    "layout_seq_with_completion": "image 72 196 72 22 | image 0 8 144 115 | image 9 123 125 40",
-    "layout_seq_without_completion": "image 72 196 72 22 | image 0 8 144 115 | image 9 123 125 40",
-    "plain_layout_seq": "image 72 196 72 22 | image 0 8 144 115 | image 9 123 125 40",
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-        "position": [
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-          213
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-    ]
-  },
-  {
-    "text": "a page for showing pictures. there are nine small texts at the top of the page closer to the left side.",
-    "region_id": "3275",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:modal [gattr:position'top'] [item [el:text [attr:repeat'9']]]]]",
-    "execution": "singleinfo : [ modal top undefined | text undefined undefined | text undefined undefined | text undefined undefined | text undefined undefined | text undefined undefined | text undefined undefined | text undefined undefined | text undefined undefined | text undefined undefined ]",
-    "layout_seq_with_completion": "[ modal 19 10 40 116 | text 19 10 40 13 | text 19 23 40 13 | text 19 36 40 13 | text 19 49 40 12 | text 19 61 40 13 | text 19 74 40 13 | text 19 87 40 13 | text 19 100 40 13 | text 19 113 40 13 ]",
-    "layout_seq_without_completion": "[ modal 19 10 40 116 | text 19 10 40 13 | text 19 23 40 13 | text 19 36 40 13 | text 19 49 40 12 | text 19 61 40 13 | text 19 74 40 13 | text 19 87 40 13 | text 19 100 40 13 | text 19 113 40 13 ]",
-    "plain_layout_seq": "modal 19 10 40 116 | text 19 10 40 13 | text 19 23 40 13 | text 19 36 40 13 | text 19 49 40 12 | text 19 61 40 13 | text 19 74 40 13 | text 19 87 40 13 | text 19 100 40 13 | text 19 113 40 13",
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-        "type": "modal",
-        "position": [
-          196,
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-      }
-    ]
-  },
-  {
-    "text": "a page is used for showing search criteria. on the top, there is one toolbar with one image and one text in it. below are three texts on the left and three inputs on the right. users can choose search criteria. next, there is one text button, where users can update the page.",
-    "region_id": "9142",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:image] [el:text] ] ] [el:text[attr:repeat'3']] [el:input[attr:repeat'3']] [el:text button] ]",
-    "execution": "singleinfo : input undefined undefined | input undefined undefined | input undefined undefined | text undefined undefined | text undefined undefined | text undefined undefined | text button undefined undefined | [ toolbar top undefined | image undefined undefined | text undefined undefined ]",
-    "layout_seq_with_completion": "input 130 50 11 11 | input 130 67 11 11 | input 130 84 11 11 | text 2 51 36 8 | text 2 68 48 8 | text 2 85 32 8 | text button 45 100 53 17 | [ toolbar 0 8 144 20 | image 0 8 19 20 | text 21 13 45 9 ]",
-    "layout_seq_without_completion": "input 130 50 11 11 | input 130 67 11 11 | input 130 84 11 11 | text 2 51 36 8 | text 2 68 48 8 | text 2 85 32 8 | text button 45 100 53 17 | [ toolbar 0 8 144 20 | image 0 8 19 20 | text 21 13 45 9 ]",
-    "plain_layout_seq": "image 0 8 19 20 | input 130 50 11 11 | input 130 67 11 11 | input 130 84 11 11 | text 2 51 36 8 | text 2 68 48 8 | text 2 85 32 8 | text 21 13 45 9 | text button 45 100 53 17 | toolbar 0 8 144 20",
-    "canvas_width": 1440,
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-          112
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-        "type": "input",
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-          112
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-    ]
-  },
-  {
-    "text": "a page for inputting information. there is a toolbar on the top, followed by a text button. below are 2 inputs, which are used for inputting username and password. below them are two text buttons. the first text button is for details. the second text button is to ensure the information is ok or not.",
-    "region_id": "2369",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:toolbar [attr:position'top'] ] [el:text button ] [el:input [attr:repeat'2'] ] [el:text button [attr:repeat'2'] ] ]",
-    "execution": "singleinfo : input undefined undefined | input undefined undefined | text button undefined undefined | text button undefined undefined | text button undefined undefined | toolbar top undefined",
-    "layout_seq_with_completion": "input 7 70 81 10 | input 92 70 44 10 | input 7 70 81 10 | input 92 70 44 10 | text button 7 90 130 16 | text button 7 110 130 17 | text button 25 31 93 26 | text button 7 90 130 16 | toolbar 0 8 144 20",
-    "layout_seq_without_completion": "input 7 70 81 10 | input 92 70 44 10 | input 7 70 81 10 | input 92 70 44 10 | text button 7 90 130 16 | text button 7 110 130 17 | text button 25 31 93 26 | text button 7 90 130 16 | toolbar 0 8 144 20",
-    "plain_layout_seq": "input 7 70 81 10 | input 92 70 44 10 | input 7 70 81 10 | input 92 70 44 10 | text button 7 90 130 16 | text button 7 110 130 17 | text button 25 31 93 26 | text button 7 90 130 16 | toolbar 0 8 144 20",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
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-      },
-      {
-        "type": "text button",
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-          1300,
-          175
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-      },
-      {
-        "type": "text button",
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-        "type": "text button",
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-          1300,
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-        "type": "input",
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-        "type": "input",
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-        "type": "input",
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-        "type": "input",
-        "position": [
-          922,
-          703,
-          447,
-          99
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-      }
-    ]
-  },
-  {
-    "text": "this page is used for searching for bookings. on the top, there is one toolbar with two images and one text in it. below are one text and three inputs where users can input the confirmation number, passenger's first name, and passenger's last name. below them is one text button where users can continue to add services",
-    "region_id": "2165",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:image] [el:image] [el:text] ] ] [el:text] [el:input [attr:repeat'3'] ] [el:input] [el:text button] ]",
-    "execution": "singleinfo : input undefined undefined | input undefined undefined | input undefined undefined | input undefined undefined | text undefined undefined | text button undefined undefined | [ toolbar top undefined | image undefined undefined | image undefined undefined | text undefined undefined ]",
-    "layout_seq_with_completion": "input 5 56 133 19 | input 5 79 133 19 | input 5 102 133 19 | text 5 35 133 15 | text button 5 128 133 18 | [ toolbar 0 8 144 20 | image 4 13 23 10 | image 0 15 3 6 | text 29 13 49 10 ]",
-    "layout_seq_without_completion": "input 5 56 133 19 | input 5 79 133 19 | input 5 102 133 19 | text 5 35 133 15 | text button 5 128 133 18 | [ toolbar 0 8 144 20 | image 4 13 23 10 | image 0 15 3 6 | text 29 13 49 10 ]",
-    "plain_layout_seq": "image 4 13 23 10 | image 0 15 3 6 | input 5 56 133 19 | input 5 79 133 19 | input 5 102 133 19 | text 5 35 133 15 | text 29 13 49 10 | text button 5 128 133 18 | toolbar 0 8 144 20",
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-        "position": [
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-      },
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-        "type": "text button",
-        "position": [
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-          1334,
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-      }
-    ]
-  },
-  {
-    "text": "this is a page for workouts. on the top, there is an image. below, there are five buttons for users to choose from. for example, users can run for 30 days.",
-    "region_id": "13182",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:image [attr:position'top'] ] [el:text button [attr:repeat'5'] ] ]",
-    "execution": "singleinfo : image top undefined | text button undefined undefined | text button undefined undefined | text button undefined undefined | text button undefined undefined | text button undefined undefined",
-    "layout_seq_with_completion": "image 17 10 109 108 | text button 17 118 109 17 | text button 17 142 109 17 | text button 17 166 109 17 | text button 17 190 109 16 | text button 17 213 109 17",
-    "layout_seq_without_completion": "image 17 10 109 108 | text button 17 118 109 17 | text button 17 142 109 17 | text button 17 166 109 17 | text button 17 190 109 16 | text button 17 213 109 17",
-    "plain_layout_seq": "image 17 10 109 108 | text button 17 118 109 17 | text button 17 142 109 17 | text button 17 166 109 17 | text button 17 190 109 16 | text button 17 213 109 17",
-    "canvas_width": 1440,
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-        "type": "text button",
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-      {
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-        "position": [
-          177,
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-      }
-    ]
-  },
-  {
-    "text": "a page to show the library in the app about reading comics. on the top, there is a toolbar. in the toolbar, there is an icon and a text button on the left, an image used to select comics, and an icon for the side menu. below the toolbar is a big text showing that the library is empty and how to select comics.",
-    "region_id": "8378",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:icon [attr:position'left']] [el:text button [attr:position'left']] [el:image] [el:icon] ] ] [el:text [attr:size'large'] ] ]",
-    "execution": "singleinfo : text undefined large | [ toolbar top undefined | icon left undefined | icon undefined undefined | image undefined undefined | text button left undefined ]",
-    "layout_seq_with_completion": "text 0 25 144 214 | [ toolbar 0 8 144 17 | icon 124 8 20 17 | icon 4 11 11 11 | image 104 8 20 17 | text button 16 8 30 17 ]",
-    "layout_seq_without_completion": "text 0 25 144 214 | [ toolbar 0 8 144 17 | icon 124 8 20 17 | icon 4 11 11 11 | image 104 8 20 17 | text button 16 8 30 17 ]",
-    "plain_layout_seq": "icon 124 8 20 17 | icon 4 11 11 11 | image 104 8 20 17 | text 0 25 144 214 | text button 16 8 30 17 | toolbar 0 8 144 17",
-    "canvas_width": 1440,
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-      },
-      {
-        "type": "icon",
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-        "position": [
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-    ]
-  },
-  {
-    "text": "this is a page for a clock widget. on the top, there is a toolbar with three icons, one text, and an image. below, there is a text that occupies most of the page, where users can go to the launcher to add a widget. at the bottom, there is an image.",
-    "region_id": "1670",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:icon] [el:icon] [el:icon] [el:text] [el:image] ] ] [el:text [attr:size'large']] [el:image [attr:position'bottom']] ]",
-    "execution": "singleinfo : image bottom undefined | text undefined large | [ toolbar top undefined | icon undefined undefined | icon undefined undefined | icon undefined undefined | image undefined undefined | text undefined undefined ]",
-    "layout_seq_with_completion": "image 65 224 13 12 | text 0 25 144 199 | [ toolbar 0 8 144 17 | icon 4 11 11 11 | icon 104 8 20 17 | icon 124 8 20 17 | image 85 8 19 17 | text 16 12 37 9 ]",
-    "layout_seq_without_completion": "image 65 224 13 12 | text 0 25 144 199 | [ toolbar 0 8 144 17 | icon 4 11 11 11 | icon 104 8 20 17 | icon 124 8 20 17 | image 85 8 19 17 | text 16 12 37 9 ]",
-    "plain_layout_seq": "icon 4 11 11 11 | icon 104 8 20 17 | icon 124 8 20 17 | image 65 224 13 12 | image 85 8 19 17 | text 0 25 144 199 | text 16 12 37 9 | toolbar 0 8 144 17",
-    "canvas_width": 1440,
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-      },
-      {
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-        "position": [
-          657,
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-          126
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-      }
-    ]
-  },
-  {
-    "text": "a page for setting one's favorite accent. there is one toolbar on the top. in the upper left corner, there is one icon. and one text is on the right of the icon. next is one text and two radio buttons. following is one text button, which shows the language one's chosen.",
-    "region_id": "3269",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:icon [attr:position'left']] [el:text [attr:position'right']]] ] [el:text] [el:radio button] [el:radio button] [el:text button] ]",
-    "execution": "singleinfo : radio button undefined undefined | radio button undefined undefined | text undefined undefined | text button undefined undefined | [ toolbar top undefined | icon left undefined | text right undefined ]",
-    "layout_seq_with_completion": "radio button 7 59 63 10 | radio button 73 59 64 10 | text 7 38 130 14 | text button 3 79 137 21 | [ toolbar 0 8 144 20 | icon 0 8 19 20 | text 25 13 26 10 ]",
-    "layout_seq_without_completion": "radio button 7 59 63 10 | radio button 73 59 64 10 | text 7 38 130 14 | text button 3 79 137 21 | [ toolbar 0 8 144 20 | icon 0 8 19 20 | text 25 13 26 10 ]",
-    "plain_layout_seq": "icon 0 8 19 20 | radio button 7 59 63 10 | radio button 73 59 64 10 | text 7 38 130 14 | text 25 13 26 10 | text button 3 79 137 21 | toolbar 0 8 144 20",
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-  {
-    "text": "a page for showing the work of a photo collage app. there is a big background image, which occupies most of the page and shows the work of the photo collage app. on the bottom right of the background image, there is another image to start the photo collage edition. at the bottom of the page, there is one icon on the left for turning to the last page, one icon and image side by side for jumping to the home and the next page.",
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-    "execution": "singleinfo : background image undefined large | icon bottom undefined | icon bottom undefined | image bottom undefined | image undefined undefined",
-    "layout_seq_with_completion": "background image 0 0 144 219 | icon 3 221 16 16 | icon 101 221 16 16 | image 88 163 52 53 | image 124 221 16 16",
-    "layout_seq_without_completion": "background image 0 0 144 219 | icon 3 221 16 16 | icon 101 221 16 16 | image 88 163 52 53 | image 124 221 16 16",
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-  {
-    "text": "a page for users to select the trigger. in the upper left corner of the page, there is a text button for canceling. there is one text on the right of the text button. below them is the text. following the text is three list items with a text, which users can know the details.",
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-    "execution": "singleinfo : text undefined undefined | text undefined undefined | text button undefined undefined | [ list item undefined undefined | text undefined undefined ] | [ list item undefined undefined | text undefined undefined ] | [ list item undefined undefined | text undefined undefined ]",
-    "layout_seq_with_completion": "text 7 45 130 8 | text 52 13 40 9 | text button 1 11 26 13 | [ list item 0 71 144 25 | text 1 77 141 14 ] | [ list item 0 97 144 25 | text 1 102 141 14 ] | [ list item 0 122 144 18 | text 1 128 141 7 ]",
-    "layout_seq_without_completion": "text 7 45 130 8 | text 52 13 40 9 | text button 1 11 26 13 | [ list item 0 71 144 25 | text 1 77 141 14 ] | [ list item 0 97 144 25 | text 1 102 141 14 ] | [ list item 0 122 144 18 | text 1 128 141 7 ]",
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-  },
-  {
-    "text": "a terms of agreement page of an app. there is a long toolbar with two icons inside at the top of the page. under the toolbar, there is a long text with a large text button below it. the text button shows the content of the terms. in the lower half, there os a long image and two rows of parallel text buttons, which are options for continuing with the process.",
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-    "execution": "singleinfo : image undefined large | text undefined large | text button undefined large | text button undefined undefined | text button undefined undefined | [ toolbar top undefined | icon undefined undefined | icon undefined undefined ]",
-    "layout_seq_with_completion": "image 0 186 144 2 | text 3 31 137 9 | text button 3 218 137 17 | text button 3 191 137 23 | text button 3 50 137 76 | [ toolbar 0 8 144 20 | icon 0 8 19 20 | icon 130 9 14 17 ]",
-    "layout_seq_without_completion": "image 0 186 144 2 | text 3 31 137 9 | text button 3 218 137 17 | text button 3 191 137 23 | text button 3 50 137 76 | [ toolbar 0 8 144 20 | icon 0 8 19 20 | icon 130 9 14 17 ]",
-    "plain_layout_seq": "icon 0 8 19 20 | icon 130 9 14 17 | image 0 186 144 2 | text 3 31 137 9 | text button 3 218 137 17 | text button 3 191 137 23 | text button 3 50 137 76 | toolbar 0 8 144 20",
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-        "position": [
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-  },
-  {
-    "text": "a page detailing the features of an app. there is a huge modal occupying a large portion of the page. at the top of the page, there is a long text. below the text, there is a large web view showing the features in detail. at the bottom of the modal, there is a text button.",
-    "region_id": "12889",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:modal [gattr:size'large'] [item [el:text [attr:size'large'] ] [el:web view [attr:size'large'] ] [el:text button [attr:position'bottom'] ] ] ] ]",
-    "execution": "singleinfo : [ modal undefined large | text undefined large | text button bottom undefined | web view undefined large ]",
-    "layout_seq_with_completion": "[ modal 20 3 103 230 | text 23 9 97 10 | text button 46 214 51 17 | web view 20 26 103 184 ]",
-    "layout_seq_without_completion": "[ modal 20 3 103 230 | text 23 9 97 10 | text button 46 214 51 17 | web view 20 26 103 184 ]",
-    "plain_layout_seq": "modal 20 3 103 230 | text 23 9 97 10 | text button 46 214 51 17 | web view 20 26 103 184",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
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-        "type": "text button",
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-      },
-      {
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-        "position": [
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-  },
-  {
-    "text": "a guide page for the user to operate the app. in the middle of the page, there is an input. at the bottom of the page, there are four images showing the instructions for the five icons side by side.",
-    "region_id": "5604",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:input] [el:image [attr:repeat'4'] [attr:position'bottom']] [el:icon [attr:repeat'5'] [attr:position'bottom']]]",
-    "execution": "singleinfo : icon bottom undefined | icon bottom undefined | icon bottom undefined | icon bottom undefined | icon bottom undefined | image bottom undefined | image bottom undefined | image bottom undefined | image bottom undefined | input undefined undefined",
-    "layout_seq_with_completion": "image 0 205 28 34 | image 28 205 29 34 | image 57 205 29 34 | image 86 205 29 34 | image 115 205 29 34 | input 0 105 144 37",
-    "layout_seq_without_completion": "image 0 205 28 34 | image 28 205 29 34 | image 57 205 29 34 | image 86 205 29 34 | image 115 205 29 34 | input 0 105 144 37",
-    "plain_layout_seq": "image 0 205 28 34 | image 28 205 29 34 | image 57 205 29 34 | image 86 205 29 34 | image 115 205 29 34 | input 0 105 144 37",
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-  },
-  {
-    "text": "a page for guidance. on the top there is a toolbar with a setup text. below the toolbar, there are two entries of \"text button\" and \"text\", where users can select scan qr code or manually setup.",
-    "region_id": "584",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:text] ] ] [el:text [attr:repeat'2'] ] [el:text button [attr:repeat'2'] ] ]",
-    "execution": "singleinfo : text undefined undefined | text undefined undefined | text button undefined undefined | text button undefined undefined | [ toolbar top undefined | text undefined undefined ]",
-    "layout_seq_with_completion": "text 7 63 130 23 | text 7 121 128 7 | text button 7 45 130 16 | text button 7 103 130 16 | [ toolbar 0 8 144 20 | icon 0 8 19 20 | text 21 13 18 9 ]",
-    "layout_seq_without_completion": "text 7 63 130 23 | text 7 121 128 7 | text button 7 45 130 16 | text button 7 103 130 16 | [ toolbar 0 8 144 20 | icon 0 8 19 20 | text 21 13 18 9 ]",
-    "plain_layout_seq": "icon 0 8 19 20 | text 7 63 130 23 | text 7 121 128 7 | text 21 13 18 9 | text button 7 45 130 16 | text button 7 103 130 16 | toolbar 0 8 144 20",
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-    ]
-  },
-  {
-    "text": "a page for users to make options in an app. on the top of the page, there is one text with an icon in it. below them are three text buttons for different options, then followed by one text and a text button for choosing the language.",
-    "region_id": "9306",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:text [attr:position'top']] [el:icon [attr:position'top']] [el:text button [attr:repeat'3']] [el:text] [el:text button] ]",
-    "execution": "singleinfo : icon top undefined | text top undefined | text undefined undefined | text button undefined undefined | text button undefined undefined | text button undefined undefined | text button undefined undefined",
-    "layout_seq_with_completion": "icon 0 8 16 18 | text 0 8 144 18 | text 5 78 27 6 | text button 5 32 50 10 | text button 5 47 77 10 | text button 5 63 69 10 | text button 5 87 133 16",
-    "layout_seq_without_completion": "icon 0 8 16 18 | text 0 8 144 18 | text 5 78 27 6 | text button 5 32 50 10 | text button 5 47 77 10 | text button 5 63 69 10 | text button 5 87 133 16",
-    "plain_layout_seq": "icon 0 8 16 18 | text 0 8 144 18 | text 5 78 27 6 | text button 5 32 50 10 | text button 5 47 77 10 | text button 5 63 69 10 | text button 5 87 133 16",
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-  },
-  {
-    "text": "a page for creating a profile. there are two texts with different lengths at the top of the page. the shorter one indicates the purpose of the page. under these two, there are two pairs of inputs. the first two inputs are placed side by side instructing the user to type in the name. below that, there are another two long parallel inputs with exactly the same size. the user can log in with the account by these two inputs. there is also a small image in the second input. at the bottom of the page, there is a long text button where the user can proceed with the process.",
-    "region_id": "10280",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:text [attr:position'top'] [attr:repeat'2'] ] [el:input [attr:repeat'4'] ] [el:image [attr:size'small'] ] [el:text button [attr:size'large'] [attr:position'bottom'] ] ]",
-    "execution": "singleinfo : image undefined small | input undefined undefined | input undefined undefined | input undefined undefined | input undefined undefined | text top undefined | text top undefined | text button bottom large",
-    "layout_seq_with_completion": "image 128 99 5 8 | input 7 79 130 14 | input 7 62 64 13 | input 72 62 65 13 | input 7 96 130 14 | text 48 25 47 11 | text 18 43 107 9 | text button 0 222 144 17",
-    "layout_seq_without_completion": "image 128 99 5 8 | input 7 79 130 14 | input 7 62 64 13 | input 72 62 65 13 | input 7 96 130 14 | text 48 25 47 11 | text 18 43 107 9 | text button 0 222 144 17",
-    "plain_layout_seq": "image 128 99 5 8 | input 7 79 130 14 | input 7 62 64 13 | input 72 62 65 13 | input 7 96 130 14 | text 48 25 47 11 | text 18 43 107 9 | text button 0 222 144 17",
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-  },
-  {
-    "text": "a page is used for adding notes. on the top, there is one toolbar with two texts in it. below is one text button and one text, where users can add notes.",
-    "region_id": "2346",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:text] [el:text] ] ] [el:text button ] [el:text ] ]",
-    "execution": "singleinfo : text undefined undefined | text button undefined undefined | [ toolbar top undefined | text undefined undefined | text undefined undefined ]",
-    "layout_seq_with_completion": "text 0 44 144 195 | text 0 44 144 17 | text button 0 28 144 16 | [ toolbar 0 8 144 20 | text 5 19 15 7 | text 5 9 63 10 ]",
-    "layout_seq_without_completion": "text 0 44 144 195 | text 0 44 144 17 | text button 0 28 144 16 | [ toolbar 0 8 144 20 | text 5 19 15 7 | text 5 9 63 10 ]",
-    "plain_layout_seq": "text 0 44 144 195 | text 0 44 144 17 | text 5 19 15 7 | text 5 9 63 10 | text button 0 28 144 16 | toolbar 0 8 144 20",
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-  },
-  {
-    "text": "a page for confirmation. there are two texts in the middle. below are two text buttons for disagree and agree.",
-    "region_id": "4721",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:text [attr:repeat'2'] ] [el:text button [attr:repeat'2'] ] ]",
-    "execution": "singleinfo : text undefined undefined | text undefined undefined | text button undefined undefined | text button undefined undefined",
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-  {
-    "text": "a page for choosing users' feelings about the ad. in the middle of the page, there is one web view for showing the advertisement. and users can choose the corresponding option if they feel the ad was inappropriate. in the right corner of the web view, there is one icon for setting. the following are three images and one text.",
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-    "ir": "[region:SingleInfo [el:web view] [el:icon[attr:position'right']] [el:image[attr:repeat'3']] [el:text] ]",
-    "execution": "singleinfo : icon right undefined | image undefined undefined | image undefined undefined | image undefined undefined | text undefined undefined | web view undefined undefined",
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-  {
-    "text": "a page showing the play history. there is a long toolbar with a text, an image, and an icon at the top of the page. they stand for the functions of the app, like deleting. right under that toolbar, there is a long list item with three small texts inside showing the relevant history record.",
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-    "execution": "singleinfo : [ toolbar top undefined | icon undefined undefined | image undefined undefined | text undefined undefined ] | [ list item undefined undefined | text undefined small | text undefined small | text undefined small ]",
-    "layout_seq_with_completion": "[ toolbar 0 8 144 17 | icon 0 8 16 17 | icon 4 11 11 11 | icon 124 8 20 17 | image 0 14 5 5 | text 16 12 34 9 ] | [ list item 0 27 144 22 | text 2 30 40 9 | text 2 39 40 6 | text 46 39 43 6 ]",
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-  },
-  {
-    "text": "a tutorials page for a game the bottom left is a side menu, which contains 8 texts, for example, users can click minigames for playing games they are interested in.",
-    "region_id": "2955",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:text [attr:position'left'] [attr:repeat'8'] ] ]",
-    "execution": "singleinfo : text left undefined | text left undefined | text left undefined | text left undefined | text left undefined | text left undefined | text left undefined | text left undefined",
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-  },
-  {
-    "text": "a page for tracking migraine symptoms . there is a modal at the center of the page with one text, which is placed in the upper portion of the modal, and three entries of text buttons inside it, first of which asks a question if the migraine is still present and the latter two are options of an answer, for example, yes.",
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-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:modal [item [el:text][el:text button [attr:repeat'3']] ] ] ]",
-    "execution": "singleinfo : [ modal undefined undefined | text undefined undefined | text button undefined undefined | text button undefined undefined | text button undefined undefined ]",
-    "layout_seq_with_completion": "[ modal 24 72 95 103 | text 24 79 95 16 | text button 28 99 87 14 | text button 31 124 81 16 | text button 31 147 81 17 ]",
-    "layout_seq_without_completion": "[ modal 24 72 95 103 | text 24 79 95 16 | text button 28 99 87 14 | text button 31 124 81 16 | text button 31 147 81 17 ]",
-    "plain_layout_seq": "modal 24 72 95 103 | text 24 79 95 16 | text button 28 99 87 14 | text button 31 124 81 16 | text button 31 147 81 17",
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-    ]
-  },
-  {
-    "text": "a page of tutorial for teaching users to use the mobile. there is an image and one text in the upper part of the page. at the bottom are two text buttons, the upper one is used for starting the tutorial, and the lower one is used for stopping.",
-    "region_id": "10921",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:image] [el:text] [el:text button [attr:position'bottom'] ] [el:text button [attr:position'bottom'] ] ]",
-    "execution": "singleinfo : image undefined undefined | text undefined undefined | text button bottom undefined | text button bottom undefined",
-    "layout_seq_with_completion": "image 64 70 15 8 | text 40 89 64 17 | text button 23 224 97 12 | text button 23 204 97 17",
-    "layout_seq_without_completion": "image 64 70 15 8 | text 40 89 64 17 | text button 23 224 97 12 | text button 23 204 97 17",
-    "plain_layout_seq": "image 64 70 15 8 | text 40 89 64 17 | text button 23 224 97 12 | text button 23 204 97 17",
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-    ]
-  },
-  {
-    "text": "this page is for playing videos. on the top, there is one toolbar with two icons and one image in it. below is one image with one icon in it. users can click the icon to play the video. next, there are three texts which show the details of the videos. below them is one big text.",
-    "region_id": "7906",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:icon] [el:icon] [el:image] ] ] [el:image] [el:icon] [el:text] [el:text] [el:text] [el:text [attr:size'large'] ] ]",
-    "execution": "singleinfo : icon undefined undefined | image undefined undefined | text undefined large | text undefined undefined | text undefined undefined | text undefined undefined | [ toolbar top undefined | icon undefined undefined | icon undefined undefined | image undefined undefined ]",
-    "layout_seq_with_completion": "icon 59 47 25 24 | image 0 28 144 63 | text 1 99 39 5 | text 1 106 9 5 | text 1 92 11 7 | text 1 115 141 14 | [ toolbar 0 8 144 20 | icon 127 9 17 17 | icon 0 8 19 20 | image 25 12 11 11 ]",
-    "layout_seq_without_completion": "icon 59 47 25 24 | image 0 28 144 63 | text 1 99 39 5 | text 1 106 9 5 | text 1 92 11 7 | text 1 115 141 14 | [ toolbar 0 8 144 20 | icon 127 9 17 17 | icon 0 8 19 20 | image 25 12 11 11 ]",
-    "plain_layout_seq": "icon 59 47 25 24 | icon 127 9 17 17 | icon 0 8 19 20 | image 0 28 144 63 | image 25 12 11 11 | text 1 99 39 5 | text 1 106 9 5 | text 1 92 11 7 | text 1 115 141 14 | toolbar 0 8 144 20",
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-    ]
-  },
-  {
-    "text": "a page of an app requiring certain information from users, like the age range. there is a large background image nearly the page size. at the top, there is a small image with a long text under it. at the bottom of the page, there is a long text.",
-    "region_id": "13286",
-    "region_type": "SingleInfo",
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-    "execution": "singleinfo : background image undefined large | image top small | text bottom large | text undefined large",
-    "layout_seq_with_completion": "background image 0 0 144 239 | image 56 7 31 8 | text 5 17 133 7 | text 0 215 144 24",
-    "layout_seq_without_completion": "background image 0 0 144 239 | image 56 7 31 8 | text 5 17 133 7 | text 0 215 144 24",
-    "plain_layout_seq": "background image 0 0 144 239 | image 56 7 31 8 | text 5 17 133 7 | text 0 215 144 24",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
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-  },
-  {
-    "text": "a page for users to accept the terms of use. there is an image and one text on the top of the page. below them is a web view which shows the details of the terms. at the bottom of the page, there are two text buttons side by side for accepting or canceling.",
-    "region_id": "10532",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:image [attr:position'top'] ] [el:text] [el:web view] [el:text button [attr:position'bottom'][attr:repeat'2']] ]",
-    "execution": "singleinfo : image top undefined | text undefined undefined | text button bottom undefined | text button bottom undefined | web view undefined undefined",
-    "layout_seq_with_completion": "image 51 17 41 10 | text 20 35 103 10 | text button 72 216 66 17 | text button 5 216 66 17 | web view 9 48 125 167",
-    "layout_seq_without_completion": "image 51 17 41 10 | text 20 35 103 10 | text button 72 216 66 17 | text button 5 216 66 17 | web view 9 48 125 167",
-    "plain_layout_seq": "image 51 17 41 10 | text 20 35 103 10 | text button 72 216 66 17 | text button 5 216 66 17 | web view 9 48 125 167",
-    "canvas_width": 1440,
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-    ]
-  },
-  {
-    "text": "a page is for setting notifications. on the top, there is one text in the middle, and one text button on the right. next, there is one text button followed by one text. below is one text button where users can choose the level of notifications to receive as soon as they occur. the following is one text.",
-    "region_id": "10420",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:text [attr:position'top'] ] [el:text button [attr:position'right'] ] [el:text button] [el:text] [el:text button] [el:text] ]",
-    "execution": "singleinfo : text top undefined | text undefined undefined | text undefined undefined | text button right undefined | text button undefined undefined | text button undefined undefined",
-    "layout_seq_with_completion": "text 58 14 27 7 | text 7 58 130 15 | text 7 95 130 7 | text button 131 14 10 7 | text button 7 34 130 13 | text button 7 75 130 17",
-    "layout_seq_without_completion": "text 58 14 27 7 | text 7 58 130 15 | text 7 95 130 7 | text button 131 14 10 7 | text button 7 34 130 13 | text button 7 75 130 17",
-    "plain_layout_seq": "text 58 14 27 7 | text 7 58 130 15 | text 7 95 130 7 | text button 131 14 10 7 | text button 7 34 130 13 | text button 7 75 130 17",
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-        "type": "text",
-        "position": [
-          70,
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-    ]
-  },
-  {
-    "text": "a starting page of an app. there is a small text near the center of the page. right under that text, there is a small image with a text button below it. the text button is an option for the user to start using the app.",
-    "region_id": "1209",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:text [attr:size'small'] ] [el:image [attr:size'small'] ] [el:text button] ]",
-    "execution": "singleinfo : image undefined small | text undefined small | text button undefined undefined",
-    "layout_seq_with_completion": "image 55 102 33 34 | text 58 90 27 9 | text button 56 139 31 18",
-    "layout_seq_without_completion": "image 55 102 33 34 | text 58 90 27 9 | text button 56 139 31 18",
-    "plain_layout_seq": "image 55 102 33 34 | text 58 90 27 9 | text button 56 139 31 18",
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-      },
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-        "type": "text button",
-        "position": [
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-    ]
-  },
-  {
-    "text": "a page for setting rings for different events. users can set select an engagement ring for example. there is a long input with a small icon inside at the top of the page. there are seven rows of separate and parallel long text buttons showing the options for users. at the bottom of the page, near the right corner, thee is a small icon.",
-    "region_id": "13042",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:input [attr:size'large'] [attr:position'top'] ] [el:icon [attr:size'small'] ] [el:text button [attr:repeat'7']] [el:icon [attr:size'small'][attr:position'bottom']] ]",
-    "execution": "singleinfo : icon bottom small | icon undefined small | input top large | text button undefined undefined | text button undefined undefined | text button undefined undefined | text button undefined undefined | text button undefined undefined | text button undefined undefined | text button undefined undefined",
-    "layout_seq_with_completion": "icon 122 218 18 17 | icon 130 14 8 8 | input 0 16 144 10 | text button 0 71 144 6 | text button 0 88 144 6 | text button 0 105 144 7 | text button 0 122 144 7 | text button 0 139 144 7 | text button 0 156 144 7 | text button 0 174 144 6",
-    "layout_seq_without_completion": "icon 122 218 18 17 | icon 130 14 8 8 | input 0 16 144 10 | text button 0 71 144 6 | text button 0 88 144 6 | text button 0 105 144 7 | text button 0 122 144 7 | text button 0 139 144 7 | text button 0 156 144 7 | text button 0 174 144 6",
-    "plain_layout_seq": "icon 122 218 18 17 | icon 130 14 8 8 | input 0 16 144 10 | text button 0 71 144 6 | text button 0 88 144 6 | text button 0 105 144 7 | text button 0 122 144 7 | text button 0 139 144 7 | text button 0 156 144 7 | text button 0 174 144 6",
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-  },
-  {
-    "text": "a page to introduce the company in the \"about us\". on the top, there is one small text on the left and a small image on the right. below is a big web view showing the details of the introduction of the company.",
-    "region_id": "7051",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:text [attr:position'top'] [attr:size'small'] ] [el:image [attr:size'small'] [attr:position'top'] ] [el:web view [attr:size'large'] ] ]",
-    "execution": "singleinfo : image top small | text top small | web view undefined large",
-    "layout_seq_with_completion": "image 110 13 30 15 | text 7 14 53 12 | web view 0 32 144 207",
-    "layout_seq_without_completion": "image 110 13 30 15 | text 7 14 53 12 | web view 0 32 144 207",
-    "plain_layout_seq": "image 110 13 30 15 | text 7 14 53 12 | web view 0 32 144 207",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
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-  {
-    "text": "a page to start the app. in the middle of the page, there is an image. below are two entries of text buttons used to introduce the app briefly. at the bottom of the page, there is a pager indicator in the middle, a text button used to skip the page on the right. on the right of the pager indicator is an image.",
-    "region_id": "14489",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:image] [el:text button [attr:repeat'2'] ] [el:pager indicator] [el:text button] [el:image] ]",
-    "execution": "singleinfo : image undefined undefined | image undefined undefined | pager indicator undefined undefined | text button undefined undefined | text button undefined undefined | text button undefined undefined",
-    "layout_seq_with_completion": "image 0 36 144 106 | image 104 215 31 20 | pager indicator 61 221 21 7 | text button 8 215 31 20 | text button 33 170 77 12 | text button 23 188 98 14",
-    "layout_seq_without_completion": "image 0 36 144 106 | image 104 215 31 20 | pager indicator 61 221 21 7 | text button 8 215 31 20 | text button 33 170 77 12 | text button 23 188 98 14",
-    "plain_layout_seq": "image 0 36 144 106 | image 104 215 31 20 | pager indicator 61 221 21 7 | text button 8 215 31 20 | text button 33 170 77 12 | text button 23 188 98 14",
-    "canvas_width": 1440,
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-  },
-  {
-    "text": "a page is used for signing in. in the upper half of the page, there is one image followed by two inputs, where users can input their emails and passwords. next, there are one text and one input between two text buttons. at the bottom, there is one text button.",
-    "region_id": "14258",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:image] [el:input [attr:repeat'2'] ] [el:text] [el:input] [el:text button [attr:repeat'2'] ] [el:text button [attr:position'bottom'] ] ]",
-    "execution": "singleinfo : image undefined undefined | input undefined undefined | input undefined undefined | input undefined undefined | text undefined undefined | text button bottom undefined | text button undefined undefined | text button undefined undefined",
-    "layout_seq_with_completion": "image 12 51 119 17 | input 25 75 93 19 | input 25 98 93 19 | input 85 137 16 9 | text 42 137 39 8 | text button 56 117 31 16 | text button 46 150 51 17 | text button 37 222 70 17",
-    "layout_seq_without_completion": "image 12 51 119 17 | input 25 75 93 19 | input 25 98 93 19 | input 85 137 16 9 | text 42 137 39 8 | text button 56 117 31 16 | text button 46 150 51 17 | text button 37 222 70 17",
-    "plain_layout_seq": "image 12 51 119 17 | input 25 75 93 19 | input 25 98 93 19 | input 85 137 16 9 | text 42 137 39 8 | text button 56 117 31 16 | text button 46 150 51 17 | text button 37 222 70 17",
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-  {
-    "text": "the page is used to show evolvesms contents. on the top of the page, there is a toolbar including one text between two icons. the background image taking up most of the page is to show the evolvesms contents.",
-    "region_id": "10908",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:text] [el:icon] [el:icon] ] ] [el:background image [attr:size'large']]]",
-    "execution": "singleinfo : background image undefined large | [ toolbar top undefined | icon undefined undefined | icon undefined undefined | text undefined undefined ]",
-    "layout_seq_with_completion": "background image 0 8 144 213 | [ toolbar 0 8 144 20 | icon 130 9 14 17 | icon 0 8 19 20 | text 25 13 35 9 ]",
-    "layout_seq_without_completion": "background image 0 8 144 213 | [ toolbar 0 8 144 20 | icon 130 9 14 17 | icon 0 8 19 20 | text 25 13 35 9 ]",
-    "plain_layout_seq": "background image 0 8 144 213 | icon 130 9 14 17 | icon 0 8 19 20 | text 25 13 35 9 | toolbar 0 8 144 20",
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-  },
-  {
-    "text": "this page is used for choosing payment methods. on the top, there is one toolbar with one icon, one image, and one text in it. following, there are one text and three text buttons, where users can link a credit card, a debit card, or a payment method to create their account.",
-    "region_id": "6824",
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-    "execution": "singleinfo : text undefined undefined | text button undefined undefined | text button undefined undefined | text button undefined undefined | [ toolbar top undefined | icon undefined undefined | image undefined undefined | text undefined undefined ]",
-    "layout_seq_with_completion": "text 5 30 133 18 | text button 5 48 133 24 | text button 5 72 133 23 | text button 5 98 133 21 | [ toolbar 0 8 144 17 | icon 0 12 8 9 | image 7 13 18 7 | text 26 12 48 9 ]",
-    "layout_seq_without_completion": "text 5 30 133 18 | text button 5 48 133 24 | text button 5 72 133 23 | text button 5 98 133 21 | [ toolbar 0 8 144 17 | icon 0 12 8 9 | image 7 13 18 7 | text 26 12 48 9 ]",
-    "plain_layout_seq": "icon 0 12 8 9 | image 7 13 18 7 | text 5 30 133 18 | text 26 12 48 9 | text button 5 48 133 24 | text button 5 72 133 23 | text button 5 98 133 21 | toolbar 0 8 144 17",
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-  {
-    "text": "a page to show the credits of the app. on the top, there is a toolbar with a small text on the left in it. below is a big text showing the details of the credits.",
-    "region_id": "6331",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:text [attr:size'small'] ] ] ] [el:text [attr:size'large'] ] ]",
-    "execution": "singleinfo : text undefined large | [ toolbar top undefined | text undefined small ]",
-    "layout_seq_with_completion": "text 5 33 133 200 | [ toolbar 0 8 144 20 | text 5 13 23 9 ]",
-    "layout_seq_without_completion": "text 5 33 133 200 | [ toolbar 0 8 144 20 | text 5 13 23 9 ]",
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-  {
-    "text": "a page for viewing purchase history. on the top, there is a toolbar including an icon and a text on the left as well as an icon on the right.",
-    "region_id": "464",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:icon [attr:position'left']] [el:text [attr:position'left']] [el:icon [attr:position'right']] ] ] ]",
-    "execution": "singleinfo : [ toolbar top undefined | icon left undefined | icon right undefined | text left undefined ]",
-    "layout_seq_with_completion": "text 8 33 127 23 | [ toolbar 0 8 144 20 | icon 0 8 19 20 | icon 124 9 20 17 | text 21 13 53 9 ]",
-    "layout_seq_without_completion": "text 8 33 127 23 | [ toolbar 0 8 144 20 | icon 0 8 19 20 | icon 124 9 20 17 | text 21 13 53 9 ]",
-    "plain_layout_seq": "icon 0 8 19 20 | icon 124 9 20 17 | text 8 33 127 23 | text 21 13 53 9 | toolbar 0 8 144 20",
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-  {
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-    "region_id": "8631",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:toolbar [attr:position'top'] ] [el:text ] [el:text button ] [el:text button [attr:position'bottom'] ] ]",
-    "execution": "singleinfo : text undefined undefined | text button bottom undefined | text button undefined undefined | toolbar top undefined",
-    "layout_seq_with_completion": "text 14 45 116 22 | text button 14 204 116 17 | text button 14 76 116 31 | toolbar 0 8 144 20",
-    "layout_seq_without_completion": "text 14 45 116 22 | text button 14 204 116 17 | text button 14 76 116 31 | toolbar 0 8 144 20",
-    "plain_layout_seq": "text 14 45 116 22 | text button 14 204 116 17 | text button 14 76 116 31 | toolbar 0 8 144 20",
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-  },
-  {
-    "text": "this page is used to enter personal information. there is a toolbar on the top of the page, including an icon, a text, and a text button. below the toolbar is a relatively large image, which is used to guide users to upload personal photos, including a small image and one text. the large image is followed by five entries to enter personal information, which are made of one text and an icon or one text and an image. at the bottom of the page is a text button to continue.",
-    "region_id": "2123",
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-    "execution": "singleinfo : icon undefined undefined | image undefined small | image undefined large | image undefined undefined | text undefined undefined | text undefined undefined | text undefined undefined | text button bottom undefined | [ toolbar top undefined | icon undefined undefined | text undefined undefined | text button undefined undefined ]",
-    "layout_seq_with_completion": "icon 128 107 9 9 | icon 128 155 9 9 | image 128 131 9 9 | image 128 204 9 8 | image 0 29 144 70 | image 54 47 35 35 | image 128 179 9 9 | text 53 82 37 15 | text 3 106 125 10 | text 3 131 125 9 | text 3 155 125 10 | text 3 179 125 10 | text 3 203 125 10 | text button 0 222 144 17 | [ toolbar 0 8 144 20 | icon 5 14 9 7 | text 27 8 90 20 | text button 117 8 21 20 ]",
-    "layout_seq_without_completion": "icon 128 107 9 9 | icon 128 155 9 9 | image 128 131 9 9 | image 128 204 9 8 | image 0 29 144 70 | image 54 47 35 35 | image 128 179 9 9 | text 53 82 37 15 | text 3 106 125 10 | text 3 131 125 9 | text 3 155 125 10 | text 3 179 125 10 | text 3 203 125 10 | text button 0 222 144 17 | [ toolbar 0 8 144 20 | icon 5 14 9 7 | text 27 8 90 20 | text button 117 8 21 20 ]",
-    "plain_layout_seq": "icon 128 107 9 9 | icon 128 155 9 9 | icon 5 14 9 7 | image 128 131 9 9 | image 128 204 9 8 | image 0 29 144 70 | image 54 47 35 35 | image 128 179 9 9 | text 53 82 37 15 | text 3 106 125 10 | text 3 131 125 9 | text 3 155 125 10 | text 3 179 125 10 | text 3 203 125 10 | text 27 8 90 20 | text button 0 222 144 17 | text button 117 8 21 20 | toolbar 0 8 144 20",
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-  },
-  {
-    "text": "a page for share using. in the middle of the page, there is a modal. in the modal, there is a text on the top with six entries of texts used to choose the share using such as bluetooth, messaging, and so on.",
-    "region_id": "3155",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:modal [item [el:text [attr:position'top']] [el:text [attr:repeat'6']] ] ] ]",
-    "execution": "singleinfo : [ modal undefined undefined | text top undefined | text undefined undefined | text undefined undefined | text undefined undefined | text undefined undefined | text undefined undefined | text undefined undefined ]",
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-        "type": "text",
-        "position": [
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-      },
-      {
-        "type": "modal",
-        "position": [
-          92,
-          452,
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-          1571
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-      }
-    ]
-  },
-  {
-    "text": "a page of an app for sharing pictures. there is a small icon and a small text at the top of the page. below these two, there is a large image displaying the picture. an icon and an image, which stands for sharing, are placed right under the large image.",
-    "region_id": "6791",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:icon [attr:size'small'] [attr:position'top'] ] [el:text [attr:size'small'] [attr:position'top'] ] [el:image [attr:size'large'] ] [el:icon] [el:image] ]",
-    "execution": "singleinfo : icon top small | icon undefined undefined | image undefined large | image undefined undefined | text top small",
-    "layout_seq_with_completion": "icon 2 4 12 12 | icon 21 180 42 15 | image 1 22 141 138 | image 80 180 42 15 | text 63 5 17 10",
-    "layout_seq_without_completion": "icon 2 4 12 12 | icon 21 180 42 15 | image 1 22 141 138 | image 80 180 42 15 | text 63 5 17 10",
-    "plain_layout_seq": "icon 2 4 12 12 | icon 21 180 42 15 | image 1 22 141 138 | image 80 180 42 15 | text 63 5 17 10",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
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-        "type": "image",
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-      },
-      {
-        "type": "icon",
-        "position": [
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-      },
-      {
-        "type": "image",
-        "position": [
-          807,
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-          154
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-      },
-      {
-        "type": "icon",
-        "position": [
-          28,
-          49,
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-          112
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          630,
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-          179,
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-      }
-    ]
-  },
-  {
-    "text": "a page for users to confirm permission. there are two texts and a text button in the middle of the page. the text button is used to confirm the permission.",
-    "region_id": "4725",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:text [attr:repeat'2'] ] [el:text button] ]",
-    "execution": "singleinfo : text undefined undefined | text undefined undefined | text button undefined undefined",
-    "layout_seq_with_completion": "text 14 76 82 23 | text 22 99 99 47 | text button 93 153 31 13",
-    "layout_seq_without_completion": "text 14 76 82 23 | text 22 99 99 47 | text button 93 153 31 13",
-    "plain_layout_seq": "text 14 76 82 23 | text 22 99 99 47 | text button 93 153 31 13",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "text",
-        "position": [
-          140,
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-      },
-      {
-        "type": "text button",
-        "position": [
-          936,
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-      },
-      {
-        "type": "text",
-        "position": [
-          224,
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-    ]
-  },
-  {
-    "text": "a testing page for user`s health status. users can use this app to obtain information regarding their health status such as blood pressure. there is a large web view taking up a large portion of the page showing the general options for users. below that web view, there is another long web view. at the bottom of the page, there is a small text button and a small image.",
-    "region_id": "8834",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:web view [attr:size'large'] ] [el:web view [attr:size'large'] ] [el:text button [attr:size'small'] [attr:position'bottom'] ] [el:image [attr:size'small'] [attr:position'bottom'] ] ]",
-    "execution": "singleinfo : image bottom small | text button bottom small | web view undefined large | web view undefined large",
-    "layout_seq_with_completion": "image 73 229 35 6 | text button 52 227 21 10 | web view 0 8 144 197 | web view 0 206 144 18",
-    "layout_seq_without_completion": "image 73 229 35 6 | text button 52 227 21 10 | web view 0 8 144 197 | web view 0 206 144 18",
-    "plain_layout_seq": "image 73 229 35 6 | text button 52 227 21 10 | web view 0 8 144 197 | web view 0 206 144 18",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "web view",
-        "position": [
-          0,
-          84,
-          1440,
-          1975
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-      },
-      {
-        "type": "web view",
-        "position": [
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-          2069,
-          1440,
-          175
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-      },
-      {
-        "type": "image",
-        "position": [
-          738,
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-      },
-      {
-        "type": "text button",
-        "position": [
-          520,
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-          218,
-          102
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-      }
-    ]
-  },
-  {
-    "text": "a welcome page for the app. in the middle of the page, there is a big image with a smaller one in it. below are two entries of texts. at the bottom of the page, there is a pager indicator.",
-    "region_id": "4117",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:image [attr:size'large'] ] [el:image [attr:size'small']] [el:text [attr:repeat'2']] [el:pager indicator [attr:position'bottom']] ]",
-    "execution": "singleinfo : image undefined small | image undefined large | pager indicator bottom undefined | text undefined undefined | text undefined undefined",
-    "layout_seq_with_completion": "image 0 51 144 88 | image 46 73 51 50 | pager indicator 0 220 144 3 | text 10 133 123 12 | text 10 148 123 7",
-    "layout_seq_without_completion": "image 0 51 144 88 | image 46 73 51 50 | pager indicator 0 220 144 3 | text 10 133 123 12 | text 10 148 123 7",
-    "plain_layout_seq": "image 0 51 144 88 | image 46 73 51 50 | pager indicator 0 220 144 3 | text 10 133 123 12 | text 10 148 123 7",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "image",
-        "position": [
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-          519,
-          1440,
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-      },
-      {
-        "type": "pager indicator",
-        "position": [
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-          2206,
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-      {
-        "type": "image",
-        "position": [
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-        "type": "text",
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-      },
-      {
-        "type": "text",
-        "position": [
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-    ]
-  },
-  {
-    "text": "a page for users to know orders. on the top of the page, there is a toolbar with an icon on the left, one text in the middle, and an image and an icon on the right. below them is a list item with one text in it, then followed by two text buttons, where users can choose the methods to express doubt.",
-    "region_id": "5138",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:icon [attr:position'left']] [el:text] [el:image [attr:position'right']] [el:icon [attr:position'right']] ] ] [gp:list item [item [el:text] ] ] [el:text button] [el:text button] ]",
-    "execution": "singleinfo : text button undefined undefined | text button undefined undefined | [ toolbar top undefined | icon left undefined | icon right undefined | image right undefined | text undefined undefined ] | [ list item undefined undefined | text undefined undefined ]",
-    "layout_seq_with_completion": "[ toolbar 0 8 144 20 | icon 0 8 19 20 | icon 127 9 17 17 | image 110 9 17 17 | text 59 14 25 8 ] | [ list item 2 36 139 8 | text 4 36 37 8 ] | [ list item 0 47 144 20 | text button 1 49 70 16 | text button 72 49 70 16 ]",
-    "layout_seq_without_completion": "[ toolbar 0 8 144 20 | icon 0 8 19 20 | icon 127 9 17 17 | image 110 9 17 17 | text 59 14 25 8 ] | [ list item 2 36 139 8 | text 4 36 37 8 ] | [ list item 0 47 144 20 | text button 1 49 70 16 | text button 72 49 70 16 ]",
-    "plain_layout_seq": "icon 0 8 19 20 | icon 127 9 17 17 | image 110 9 17 17 | list item 2 36 139 8 | list item 0 47 144 20 | text 59 14 25 8 | text 4 36 37 8 | text button 1 49 70 16 | text button 72 49 70 16 | toolbar 0 8 144 20",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
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-      {
-        "type": "image",
-        "position": [
-          1104,
-          98,
-          168,
-          168
-        ]
-      },
-      {
-        "type": "icon",
-        "position": [
-          1272,
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-          168,
-          168
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-      },
-      {
-        "type": "toolbar",
-        "position": [
-          0,
-          84,
-          1440,
-          196
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-      },
-      {
-        "type": "text",
-        "position": [
-          42,
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-      },
-      {
-        "type": "list item",
-        "position": [
-          28,
-          364,
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-          85
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-      },
-      {
-        "type": "text button",
-        "position": [
-          14,
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-          168
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-      },
-      {
-        "type": "text button",
-        "position": [
-          727,
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-          699,
-          168
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-      },
-      {
-        "type": "list item",
-        "position": [
-          0,
-          477,
-          1440,
-          196
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-      }
-    ]
-  },
-  {
-    "text": "a page to start the app. the whole page is a background image. on the upper left corner of the page, there is an image showing the logo of the app. there is an icon used to sign in to the app on the right of the image. below the image, there is one text. at the bottom of the page, there are two entries text buttons. the upper one is used to get started with the app. the last one is used to continue the page to accept the terms of use and privacy policy.",
-    "region_id": "13202",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:background image] [el:image] [el:icon] [el:text] [el:text button [attr:position'bottom'] [attr:repeat'2'] ] ]",
-    "execution": "singleinfo : background image undefined undefined | icon undefined undefined | image undefined undefined | text undefined undefined | text button bottom undefined | text button bottom undefined",
-    "layout_seq_with_completion": "background image 0 8 144 231 | image 0 8 43 44 | text 8 61 70 59 | text button 8 200 127 19 | text button 121 17 14 6 | text button 0 226 144 6",
-    "layout_seq_without_completion": "background image 0 8 144 231 | image 0 8 43 44 | text 8 61 70 59 | text button 8 200 127 19 | text button 121 17 14 6 | text button 0 226 144 6",
-    "plain_layout_seq": "background image 0 8 144 231 | image 0 8 43 44 | text 8 61 70 59 | text button 8 200 127 19 | text button 121 17 14 6 | text button 0 226 144 6",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "background image",
-        "position": [
-          0,
-          84,
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-      },
-      {
-        "type": "text button",
-        "position": [
-          1210,
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-          142,
-          62
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-      },
-      {
-        "type": "image",
-        "position": [
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-          84,
-          438,
-          438
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-      },
-      {
-        "type": "text",
-        "position": [
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-      },
-      {
-        "type": "text button",
-        "position": [
-          88,
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-          1264,
-          182
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-      },
-      {
-        "type": "text button",
-        "position": [
-          0,
-          2260,
-          1440,
-          62
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-      }
-    ]
-  },
-  {
-    "text": "a news page of an app. there is a long toolbar with two small icons and a small image inside at the top of the page. below the toolbar, there is a long image. under the image, there is a huge web view showing the content of the news.",
-    "region_id": "2203",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:icon [attr:size'small'] ] [el:icon [attr:size'small'] ] [el:image [attr:size'small'] ] ] ] [el:image [attr:size'large'] ] [el:web view [attr:size'large']] ]",
-    "execution": "singleinfo : image undefined large | web view undefined large | [ toolbar top undefined | icon undefined small | icon undefined small | image undefined small ]",
-    "layout_seq_with_completion": "image 0 28 144 7 | text 7 28 31 6 | web view 0 35 144 183 | [ toolbar 0 8 144 20 | icon 0 8 19 20 | icon 127 9 17 17 | image 39 9 66 17 ]",
-    "layout_seq_without_completion": "image 0 28 144 7 | text 7 28 31 6 | web view 0 35 144 183 | [ toolbar 0 8 144 20 | icon 0 8 19 20 | icon 127 9 17 17 | image 39 9 66 17 ]",
-    "plain_layout_seq": "icon 0 8 19 20 | icon 127 9 17 17 | image 0 28 144 7 | image 39 9 66 17 | text 7 28 31 6 | toolbar 0 8 144 20 | web view 0 35 144 183",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "image",
-        "position": [
-          390,
-          94,
-          660,
-          175
-        ]
-      },
-      {
-        "type": "icon",
-        "position": [
-          0,
-          84,
-          196,
-          196
-        ]
-      },
-      {
-        "type": "icon",
-        "position": [
-          1272,
-          98,
-          168,
-          168
-        ]
-      },
-      {
-        "type": "toolbar",
-        "position": [
-          0,
-          84,
-          1440,
-          196
-        ]
-      },
-      {
-        "type": "image",
-        "position": [
-          0,
-          280,
-          1440,
-          77
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          70,
-          287,
-          316,
-          57
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-      },
-      {
-        "type": "web view",
-        "position": [
-          0,
-          357,
-          1440,
-          1825
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-      }
-    ]
-  },
-  {
-    "text": "a page of youtube for seeing videos. on the top of the page, there is a toolbar with an image, a text button, and two icons in it. below them is a big web view.",
-    "region_id": "6563",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:image] [el:text button] [el:icon] [el:icon] ] ] [el:web view [attr:size'large'] ] ]",
-    "execution": "singleinfo : web view undefined large | [ toolbar top undefined | icon undefined undefined | icon undefined undefined | image undefined undefined | text button undefined undefined ]",
-    "layout_seq_with_completion": "web view 0 25 144 214 | [ toolbar 0 8 144 17 | icon 0 8 16 17 | icon 104 8 20 17 | icon 4 11 11 11 | icon 124 8 20 17 | image 0 14 5 5 | text button 16 8 88 17 ]",
-    "layout_seq_without_completion": "web view 0 25 144 214 | [ toolbar 0 8 144 17 | icon 0 8 16 17 | icon 104 8 20 17 | icon 4 11 11 11 | icon 124 8 20 17 | image 0 14 5 5 | text button 16 8 88 17 ]",
-    "plain_layout_seq": "icon 0 8 16 17 | icon 104 8 20 17 | icon 4 11 11 11 | icon 124 8 20 17 | image 0 14 5 5 | text button 16 8 88 17 | toolbar 0 8 144 17 | web view 0 25 144 214",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "image",
-        "position": [
-          0,
-          140,
-          56,
-          56
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-      },
-      {
-        "type": "icon",
-        "position": [
-          43,
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-          112,
-          112
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-      },
-      {
-        "type": "icon",
-        "position": [
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-          84,
-          169,
-          168
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-      },
-      {
-        "type": "text button",
-        "position": [
-          169,
-          84,
-          879,
-          168
-        ]
-      },
-      {
-        "type": "icon",
-        "position": [
-          1048,
-          84,
-          196,
-          168
-        ]
-      },
-      {
-        "type": "icon",
-        "position": [
-          1244,
-          84,
-          196,
-          168
-        ]
-      },
-      {
-        "type": "toolbar",
-        "position": [
-          0,
-          84,
-          1440,
-          168
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-      },
-      {
-        "type": "web view",
-        "position": [
-          0,
-          252,
-          1440,
-          2140
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-      }
-    ]
-  },
-  {
-    "text": "a page is used for showing unread information. one web view occupies most of the page. on the top, there is one toolbar with one text and two icons in it. in the middle, it shows the details of the unread information. in the lower right corner, there is one icon, where users can share unread information.",
-    "region_id": "5293",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:web view [attr:size'large'] ] [gp:toolbar [gattr:position'top'] [item [el:text] [el:icon [attr:repeat'2'] ] ] ] [el:icon [attr:position'right'] ] ]",
-    "execution": "singleinfo : icon right undefined | web view undefined large | [ toolbar top undefined | icon undefined undefined | icon undefined undefined | text undefined undefined ]",
-    "layout_seq_with_completion": "icon 117 193 23 25 | web view 0 8 144 213 | [ toolbar 0 8 144 20 | icon 0 8 19 20 | icon 110 9 20 17 | icon 130 9 14 17 | text 21 13 50 9 ]",
-    "layout_seq_without_completion": "icon 117 193 23 25 | web view 0 8 144 213 | [ toolbar 0 8 144 20 | icon 0 8 19 20 | icon 110 9 20 17 | icon 130 9 14 17 | text 21 13 50 9 ]",
-    "plain_layout_seq": "icon 117 193 23 25 | icon 0 8 19 20 | icon 110 9 20 17 | icon 130 9 14 17 | text 21 13 50 9 | toolbar 0 8 144 20 | web view 0 8 144 213",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "text",
-        "position": [
-          210,
-          135,
-          507,
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-      },
-      {
-        "type": "icon",
-        "position": [
-          0,
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-      },
-      {
-        "type": "icon",
-        "position": [
-          1104,
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-      },
-      {
-        "type": "icon",
-        "position": [
-          1300,
-          98,
-          140,
-          168
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-      },
-      {
-        "type": "toolbar",
-        "position": [
-          0,
-          84,
-          1440,
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-      },
-      {
-        "type": "icon",
-        "position": [
-          1173,
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-          246
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-      },
-      {
-        "type": "web view",
-        "position": [
-          0,
-          84,
-          1440,
-          2133
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-      }
-    ]
-  },
-  {
-    "text": "a scanner page for an app. there are two combinations of items at the center of the page each composed of a small icon and a short text. at the bottom, there is a long web view.",
-    "region_id": "5322",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:icon [attr:size'small'][attr:repeat'2'] ] [el:text [attr:size'small'][attr:repeat'2'] ] [el:web view [attr:size'large'] [attr:position'bottom']] ]",
-    "execution": "singleinfo : icon undefined small | icon undefined small | text undefined small | text undefined small | web view bottom large",
-    "layout_seq_with_completion": "icon 32 97 17 17 | icon 32 132 17 17 | text 56 98 40 16 | text 56 133 34 16 | web view 0 221 144 18",
-    "layout_seq_without_completion": "icon 32 97 17 17 | icon 32 132 17 17 | text 56 98 40 16 | text 56 133 34 16 | web view 0 221 144 18",
-    "plain_layout_seq": "icon 32 97 17 17 | icon 32 132 17 17 | text 56 98 40 16 | text 56 133 34 16 | web view 0 221 144 18",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "web view",
-        "position": [
-          0,
-          2217,
-          1440,
-          175
-        ]
-      },
-      {
-        "type": "icon",
-        "position": [
-          328,
-          978,
-          168,
-          168
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-      },
-      {
-        "type": "text",
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-          566,
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-      },
-      {
-        "type": "icon",
-        "position": [
-          328,
-          1328,
-          168,
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-      },
-      {
-        "type": "text",
-        "position": [
-          566,
-          1332,
-          341,
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-      }
-    ]
-  },
-  {
-    "text": "a page is used for showing a map. in the upper left corner, there is one image. at the bottom, there is one image on the left and one icon on the right, which users can switch different modes to see the map.",
-    "region_id": "8271",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:image[attr:position'top']] [el:image[attr:position'bottom']] [el:icon[attr:position'bottom']] ]",
-    "execution": "singleinfo : icon bottom undefined | image top undefined | image bottom undefined",
-    "layout_seq_with_completion": "icon 118 214 20 19 | image 1 229 21 8 | image 0 8 19 20",
-    "layout_seq_without_completion": "icon 118 214 20 19 | image 1 229 21 8 | image 0 8 19 20",
-    "plain_layout_seq": "icon 118 214 20 19 | image 1 229 21 8 | image 0 8 19 20",
-    "canvas_width": 1440,
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-      {
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-    ]
-  },
-  {
-    "text": "a page for the weather. one the top, there is a toolbar with an image, one text, and an icon. below, there is a web view that occupies most of the page, where users can browse the weather of different cities.",
-    "region_id": "8824",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:image] [el:text] [el:icon] ] ] [el:web view [attr:size'large'] ] ]",
-    "execution": "singleinfo : web view undefined large | [ toolbar top undefined | icon undefined undefined | image undefined undefined | text undefined undefined ]",
-    "layout_seq_with_completion": "icon 119 14 25 5 | web view 0 25 144 214 | [ toolbar 0 8 119 17 | icon 0 8 19 17 | image 19 8 17 17 | text 37 13 53 7 ]",
-    "layout_seq_without_completion": "icon 119 14 25 5 | web view 0 25 144 214 | [ toolbar 0 8 119 17 | icon 0 8 19 17 | image 19 8 17 17 | text 37 13 53 7 ]",
-    "plain_layout_seq": "icon 119 14 25 5 | icon 0 8 19 17 | image 19 8 17 17 | text 37 13 53 7 | toolbar 0 8 119 17 | web view 0 25 144 214",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
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-      {
-        "type": "icon",
-        "position": [
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-          196,
-          168
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-      },
-      {
-        "type": "toolbar",
-        "position": [
-          0,
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-          168
-        ]
-      },
-      {
-        "type": "icon",
-        "position": [
-          1195,
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-          245,
-          53
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-      },
-      {
-        "type": "web view",
-        "position": [
-          0,
-          252,
-          1440,
-          2140
-        ]
-      }
-    ]
-  },
-  {
-    "text": "this is a page for prom party. on the top, there is an advertisement with two icons and one text. below, there is a web view that occupies most of the page, where users can browse the content.",
-    "region_id": "7330",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:advertisement[attr:position'top']] [el:icon[attr:position'top'][attr:repeat'2']] [el:text[attr:position'top']] [el:web view[attr:size'large']] ]",
-    "execution": "singleinfo : advertisement top undefined | icon top undefined | icon top undefined | text top undefined | web view undefined large",
-    "layout_seq_with_completion": "advertisement 0 8 144 17 | icon 0 8 16 17 | icon 127 8 17 17 | text 54 12 35 9 | web view 0 25 144 214",
-    "layout_seq_without_completion": "advertisement 0 8 144 17 | icon 0 8 16 17 | icon 127 8 17 17 | text 54 12 35 9 | web view 0 25 144 214",
-    "plain_layout_seq": "advertisement 0 8 144 17 | icon 0 8 16 17 | icon 127 8 17 17 | text 54 12 35 9 | web view 0 25 144 214",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
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-        "type": "icon",
-        "position": [
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-      {
-        "type": "advertisement",
-        "position": [
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-          172
-        ]
-      },
-      {
-        "type": "web view",
-        "position": [
-          0,
-          256,
-          1440,
-          2136
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-      }
-    ]
-  },
-  {
-    "text": "this is a page for users to log in. on the top, there is one text and an image. at the bottom, there are two texts and one button for users to log in with phone number or facebook. at the bottom of the page, there are two texts to skip or explore.",
-    "region_id": "11701",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:text [attr:position'top']] [el:image [attr:position'top']] [el:text [attr:position'bottom'] [attr:repeat'2']] [el:text button [attr:position'bottom'] ] [el:text [attr:position'bottom'] [attr:repeat'2'] ] ]",
-    "execution": "singleinfo : image top undefined | text top undefined | text bottom undefined | text bottom undefined | text bottom undefined | text bottom undefined | text button bottom undefined",
-    "layout_seq_with_completion": "icon 32 165 11 8 | image 45 32 53 54 | text 36 17 71 14 | text 66 234 11 5 | text 44 229 55 6 | text 29 207 85 8 | text 46 165 63 8 | text button 29 183 85 14",
-    "layout_seq_without_completion": "icon 32 165 11 8 | image 45 32 53 54 | text 36 17 71 14 | text 66 234 11 5 | text 44 229 55 6 | text 29 207 85 8 | text 46 165 63 8 | text button 29 183 85 14",
-    "plain_layout_seq": "icon 32 165 11 8 | image 45 32 53 54 | text 36 17 71 14 | text 66 234 11 5 | text 44 229 55 6 | text 29 207 85 8 | text 46 165 63 8 | text button 29 183 85 14",
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-        "type": "icon",
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-      {
-        "type": "text",
-        "position": [
-          467,
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-          631,
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-      }
-    ]
-  },
-  {
-    "text": "a page for planning. on the top, there is a toolbar with a text on the left. below the toolbar are two lines of text, and a slider for selecting a number. on the bottom, there are two text buttons -- previous and next.",
-    "region_id": "9907",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:text ] ] ] [el:text [attr:repeat'2'] ] [el:slider] [el:text button [attr:position'bottom'] [attr:repeat'2'] ] ]",
-    "execution": "singleinfo : slider undefined undefined | text undefined undefined | text undefined undefined | text button bottom undefined | text button bottom undefined | [ toolbar top undefined | text undefined undefined ]",
-    "layout_seq_with_completion": "text button 0 222 71 17 | text button 72 222 72 17 | [ toolbar 0 8 144 20 | text 5 13 36 9 ] | [ list item 0 35 144 187 | image 0 78 144 144 | text 0 35 144 25 | text 0 60 90 12 ]",
-    "layout_seq_without_completion": "text button 0 222 71 17 | text button 72 222 72 17 | [ toolbar 0 8 144 20 | text 5 13 36 9 ] | [ list item 0 35 144 187 | image 0 78 144 144 | text 0 35 144 25 | text 0 60 90 12 ]",
-    "plain_layout_seq": "image 0 78 144 144 | list item 0 35 144 187 | text 5 13 36 9 | text 0 35 144 25 | text 0 60 90 12 | text button 0 222 71 17 | text button 72 222 72 17 | toolbar 0 8 144 20",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
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-        "position": [
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-          84,
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-        "type": "text button",
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-        "position": [
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-        "type": "text",
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-        "position": [
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-          350,
-          1440,
-          1872
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-      }
-    ]
-  },
-  {
-    "text": "this page is used for bank binding and investment guidance. the text on the top of the page shows the bank binding and investment guidance. below the text is an image. and there are two text buttons at the bottom of the page. the upper one is used for bank binding.",
-    "region_id": "2789",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:text [attr:position'top'] ][el:image] [el:text button[attr:repeat'2'][attr:position'bottom']] ]",
-    "execution": "singleinfo : image undefined undefined | text top undefined | text button bottom undefined | text button bottom undefined",
-    "layout_seq_with_completion": "image 16 77 111 32 | text 7 21 130 35 | text button 30 194 83 17 | text button 30 220 83 6",
-    "layout_seq_without_completion": "image 16 77 111 32 | text 7 21 130 35 | text button 30 194 83 17 | text button 30 220 83 6",
-    "plain_layout_seq": "image 16 77 111 32 | text 7 21 130 35 | text button 30 194 83 17 | text button 30 220 83 6",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
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-        "position": [
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-      {
-        "type": "text button",
-        "position": [
-          305,
-          2203,
-          830,
-          63
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-      }
-    ]
-  },
-  {
-    "text": "a page is used for signing up. on the top, there is one toolbar with one text between one icon and one text button. below them are two texts. in the middle of the page, there are two text buttons, where users can sign up by email or continue with facebook. at the bottom, there is one text button.",
-    "region_id": "8424",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:text] [el:icon] [el:text button] ] ] [el:text[attr:repeat'2']] [el:text button[attr:repeat'2']] [el:text button[attr:position'bottom']] ]",
-    "execution": "singleinfo : text undefined undefined | text undefined undefined | text button bottom undefined | text button undefined undefined | text button undefined undefined | [ toolbar top undefined | icon undefined undefined | text undefined undefined | text button undefined undefined ]",
-    "layout_seq_with_completion": "text 41 55 61 9 | text 4 66 135 7 | text button 5 112 133 15 | text button 5 133 133 15 | text button 5 188 133 16 | [ toolbar 0 8 144 20 | icon 0 8 19 20 | text 25 13 24 9 | text button 105 9 36 17 ]",
-    "layout_seq_without_completion": "text 41 55 61 9 | text 4 66 135 7 | text button 5 112 133 15 | text button 5 133 133 15 | text button 5 188 133 16 | [ toolbar 0 8 144 20 | icon 0 8 19 20 | text 25 13 24 9 | text button 105 9 36 17 ]",
-    "plain_layout_seq": "icon 0 8 19 20 | text 41 55 61 9 | text 4 66 135 7 | text 25 13 24 9 | text button 5 112 133 15 | text button 5 133 133 15 | text button 5 188 133 16 | text button 105 9 36 17 | toolbar 0 8 144 20",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
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-        "position": [
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-          84,
-          196,
-          196
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          252,
-          135,
-          241,
-          93
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-      },
-      {
-        "type": "text button",
-        "position": [
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-          98,
-          361,
-          168
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-      },
-      {
-        "type": "toolbar",
-        "position": [
-          0,
-          84,
-          1440,
-          196
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
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-        "type": "text button",
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-        "type": "text button",
-        "position": [
-          56,
-          1888,
-          1328,
-          154
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-      }
-    ]
-  },
-  {
-    "text": "a page is used for setup. on the top of the page, there is a toolbar with one icon on the left and one text in the middle. following are three texts, which users can choose primary activities, speed units, and direction display. and there is a text button on the right of each text.",
-    "region_id": "14352",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:icon [attr:position'left'] ] [el:text] ] ] [el:text] [el:text] [el:text] [el:text button] ]",
-    "execution": "singleinfo : text undefined undefined | text undefined undefined | text undefined undefined | text button undefined undefined | [ toolbar top undefined | icon left undefined | text undefined undefined ]",
-    "layout_seq_with_completion": "text 5 30 101 13 | text 5 47 89 13 | text 5 64 113 14 | text button 118 64 20 14 | text button 106 30 32 13 | text button 94 47 44 13 | [ toolbar 0 8 144 17 | icon 10 10 16 13 | text 36 8 82 17 ]",
-    "layout_seq_without_completion": "text 5 30 101 13 | text 5 47 89 13 | text 5 64 113 14 | text button 118 64 20 14 | text button 106 30 32 13 | text button 94 47 44 13 | [ toolbar 0 8 144 17 | icon 10 10 16 13 | text 36 8 82 17 ]",
-    "plain_layout_seq": "icon 10 10 16 13 | text 5 30 101 13 | text 5 47 89 13 | text 5 64 113 14 | text 36 8 82 17 | text button 118 64 20 14 | text button 106 30 32 13 | text button 94 47 44 13 | toolbar 0 8 144 17",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "icon",
-        "position": [
-          101,
-          105,
-          168,
-          126
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          363,
-          84,
-          824,
-          168
-        ]
-      },
-      {
-        "type": "toolbar",
-        "position": [
-          0,
-          84,
-          1440,
-          168
-        ]
-      },
-      {
-        "type": "text",
-        "position": [
-          53,
-          305,
-          1007,
-          132
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-      },
-      {
-        "type": "text button",
-        "position": [
-          1060,
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-          327,
-          132
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-      },
-      {
-        "type": "text",
-        "position": [
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-          887,
-          132
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-      {
-        "type": "text button",
-        "position": [
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-          477,
-          447,
-          132
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-      {
-        "type": "text",
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-      },
-      {
-        "type": "text button",
-        "position": [
-          1189,
-          649,
-          198,
-          132
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a page to log in for the app. on the top, there is a toolbar with one text in it. below are two entries of inputs used to enter email or username and password. at the right of the second input, there is a text button. below are two entries of text buttons used to log in and create a new account.",
-    "region_id": "2774",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [gp:toolbar [gattr:position'top'] [item [el:text] ] ] [el:input [attr:repeat'2']] [el:text button] [el:text button [attr:repeat'2']] ]",
-    "execution": "singleinfo : input undefined undefined | input undefined undefined | text button undefined undefined | text button undefined undefined | text button undefined undefined | [ toolbar top undefined | text undefined undefined ]",
-    "layout_seq_with_completion": "input 5 43 133 15 | input 5 68 133 16 | text button 111 67 27 14 | text button 5 100 133 20 | text button 5 126 133 14 | [ toolbar 0 8 144 20 | text 5 13 32 9 ]",
-    "layout_seq_without_completion": "input 5 43 133 15 | input 5 68 133 16 | text button 111 67 27 14 | text button 5 100 133 20 | text button 5 126 133 14 | [ toolbar 0 8 144 20 | text 5 13 32 9 ]",
-    "plain_layout_seq": "input 5 43 133 15 | input 5 68 133 16 | text 5 13 32 9 | text button 111 67 27 14 | text button 5 100 133 20 | text button 5 126 133 14 | toolbar 0 8 144 20",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "text",
-        "position": [
-          56,
-          135,
-          318,
-          93
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-      },
-      {
-        "type": "toolbar",
-        "position": [
-          0,
-          84,
-          1440,
-          196
-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          56,
-          1008,
-          1328,
-          197
-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          56,
-          1261,
-          1328,
-          141
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-      },
-      {
-        "type": "input",
-        "position": [
-          56,
-          430,
-          1328,
-          158
-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          1116,
-          671,
-          268,
-          141
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-      },
-      {
-        "type": "input",
-        "position": [
-          56,
-          682,
-          1328,
-          158
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a page for viewing files. on the upper page, there are three side-by-side text buttons for archive, browser, and downloads. on the bottom, there is a text button for settings.",
-    "region_id": "5997",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:text button[attr:repeat'3']] [el:text button [attr:position'bottom']] ]",
-    "execution": "singleinfo : text button bottom undefined | text button undefined undefined | text button undefined undefined | text button undefined undefined",
-    "layout_seq_with_completion": "text button 0 46 48 39 | text button 48 46 48 39 | text button 96 46 48 39 | text button 58 162 28 38",
-    "layout_seq_without_completion": "text button 0 46 48 39 | text button 48 46 48 39 | text button 96 46 48 39 | text button 58 162 28 38",
-    "plain_layout_seq": "text button 0 46 48 39 | text button 48 46 48 39 | text button 96 46 48 39 | text button 58 162 28 38",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "text button",
-        "position": [
-          0,
-          469,
-          480,
-          384
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-      },
-      {
-        "type": "text button",
-        "position": [
-          480,
-          469,
-          480,
-          384
-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          960,
-          469,
-          480,
-          384
-        ]
-      },
-      {
-        "type": "text button",
-        "position": [
-          580,
-          1623,
-          280,
-          384
-        ]
-      }
-    ]
-  },
-  {
-    "text": "a page for creating personal digital space. there is a small image near the center of the page. an icon is placed right in the middle of the page. users can create personalized stations through this icon. under this icon, there are two separate rows of texts. they explain the purpose of the app.",
-    "region_id": "8537",
-    "region_type": "SingleInfo",
-    "ir": "[region:SingleInfo [el:image [attr:size'small'] ] [el:icon] [el:text[attr:repeat'2']] ]",
-    "execution": "singleinfo : icon undefined undefined | image undefined small | text undefined undefined | text undefined undefined",
-    "layout_seq_with_completion": "icon 62 109 19 20 | image 47 87 49 10 | text 39 137 65 13 | text 0 152 144 13",
-    "layout_seq_without_completion": "icon 62 109 19 20 | image 47 87 49 10 | text 39 137 65 13 | text 0 152 144 13",
-    "plain_layout_seq": "icon 62 109 19 20 | image 47 87 49 10 | text 39 137 65 13 | text 0 152 144 13",
-    "canvas_width": 1440,
-    "canvas_height": 2560,
-    "elements": [
-      {
-        "type": "icon",
-        "position": [
-          622,
-          1098,
-          196,
-          196
-        ]
-      },
-      {
-        "type": "image",
-        "position": [
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-          490,
-          105
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-      },
-      {
-        "type": "text",
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-    ]
-  }
-]
\ No newline at end of file