instruction: Click on the Enroll button under Dec 11 course.

previous_actions: 

active_application: Discover

screen_description: windows {
  bounds_in_screen {
    right: 1080
    bottom: 136
  }
  id: 5
  layer: 1
  window_type: TYPE_SYSTEM
  tree {
    nodes {
      bounds_in_screen {
        right: 1080
        bottom: 136
      }
      class_name: "android.widget.FrameLayout"
    }
    nodes {
      bounds_in_screen {
        right: 1080
        bottom: 136
      }
      class_name: "android.widget.FrameLayout"
      depth: 1
    }
    nodes {
      bounds_in_screen {
        right: 1080
        bottom: 136
      }
      class_name: "android.widget.FrameLayout"
      depth: 1
    }
    nodes {
      bounds_in_screen {
        right: 1080
        bottom: 136
      }
      class_name: "android.widget.FrameLayout"
      depth: 1
    }
    nodes {
      bounds_in_screen {
        right: 1080
        bottom: 136
      }
      class_name: "android.widget.FrameLayout"
      depth: 2
    }
    nodes {
      bounds_in_screen {
        left: 47
        right: 1027
        bottom: 136
      }
      class_name: "android.widget.LinearLayout"
      depth: 3
    }
    nodes {
      bounds_in_screen {
        left: 47
        top: 1
        right: 454
        bottom: 136
      }
      class_name: "android.widget.FrameLayout"
      depth: 4
    }
    nodes {
      bounds_in_screen {
        left: 454
        top: 1
        right: 599
        bottom: 136
      }
      class_name: "android.view.View"
      depth: 4
    }
    nodes {
      bounds_in_screen {
        left: 599
        top: 1
        right: 1006
        bottom: 136
      }
      class_name: "android.widget.FrameLayout"
      depth: 4
    }
    nodes {
      bounds_in_screen {
        left: 47
        top: 1
        right: 132
        bottom: 136
      }
      class_name: "android.widget.FrameLayout"
      depth: 5
    }
    nodes {
      bounds_in_screen {
        left: 867
        top: 1
        right: 1006
        bottom: 136
      }
      class_name: "android.widget.LinearLayout"
      depth: 5
    }
    nodes {
      bounds_in_screen {
        left: 47
        top: 1
        right: 132
        bottom: 136
      }
      class_name: "android.widget.LinearLayout"
      depth: 6
    }
    nodes {
      bounds_in_screen {
        left: 867
        top: 1
        right: 1006
        bottom: 136
      }
      class_name: "android.widget.LinearLayout"
      depth: 6
    }
    nodes {
      bounds_in_screen {
        left: 47
        top: 1
        right: 132
        bottom: 136
      }
      class_name: "android.widget.TextView"
      content_description: "4:57 PM"
      text: "4:57"
      depth: 7
    }
    nodes {
      bounds_in_screen {
        left: 132
        top: 1
        right: 132
        bottom: 136
      }
      class_name: "android.widget.FrameLayout"
      depth: 7
    }
    nodes {
      bounds_in_screen {
        left: 867
        top: 1
        right: 986
        bottom: 136
      }
      class_name: "android.widget.LinearLayout"
      depth: 7
    }
    nodes {
      bounds_in_screen {
        left: 986
        top: 1
        right: 1006
        bottom: 136
      }
      class_name: "android.widget.LinearLayout"
      content_description: "Battery charging, 100 percent."
      depth: 7
    }
    nodes {
      bounds_in_screen {
        left: 132
        top: 1
        right: 132
        bottom: 136
      }
      class_name: "android.view.ViewGroup"
      depth: 8
    }
    nodes {
      bounds_in_screen {
        left: 867
        top: 39
        right: 924
        bottom: 97
      }
      class_name: "android.widget.ImageView"
      content_description: "Do Not Disturb"
      depth: 8
    }
    nodes {
      bounds_in_screen {
        left: 924
        top: 39
        right: 970
        bottom: 97
      }
      class_name: "android.widget.FrameLayout"
      content_description: "Wifi signal full."
      depth: 8
    }
    nodes {
      bounds_in_screen {
        left: 986
        top: 51
        right: 1006
        bottom: 85
      }
      class_name: "android.widget.ImageView"
      depth: 8
    }
    nodes {
      bounds_in_screen {
        left: 931
        top: 39
        right: 970
        bottom: 97
      }
      class_name: "android.widget.LinearLayout"
      depth: 9
    }
    nodes {
      bounds_in_screen {
        left: 931
        top: 48
        right: 970
        bottom: 87
      }
      class_name: "android.widget.FrameLayout"
      depth: 10
    }
    nodes {
      bounds_in_screen {
        left: 931
        top: 48
        right: 970
        bottom: 87
      }
      class_name: "android.widget.ImageView"
      depth: 11
    }
  }
}
windows {
  bounds_in_screen {
    right: 1080
    bottom: 2400
  }
  id: 2677
  title: "Discover"
  window_type: TYPE_APPLICATION
  is_active: true
  is_focused: true
  tree {
    nodes {
      bounds_in_screen {
        right: 1080
        bottom: 2400
      }
      class_name: "android.widget.FrameLayout"
    }
    nodes {
      bounds_in_screen {
        right: 1080
        bottom: 2337
      }
      class_name: "android.widget.LinearLayout"
      depth: 1
    }
    nodes {
      bounds_in_screen {
        right: 1080
        bottom: 136
      }
      class_name: "android.view.View"
      depth: 1
    }
    nodes {
      bounds_in_screen {
        top: 2337
        right: 1080
        bottom: 2400
      }
      class_name: "android.view.View"
      depth: 1
    }
    nodes {
      bounds_in_screen {
        top: 136
        right: 1080
        bottom: 2337
      }
      class_name: "android.widget.FrameLayout"
      depth: 2
    }
    nodes {
      bounds_in_screen {
        top: 136
        right: 1080
        bottom: 2337
      }
      class_name: "android.widget.FrameLayout"
      depth: 3
    }
    nodes {
      bounds_in_screen {
        top: 136
        right: 1080
        bottom: 2337
      }
      class_name: "android.widget.FrameLayout"
      depth: 4
    }
    nodes {
      bounds_in_screen {
        top: 136
        right: 1080
        bottom: 2337
      }
      class_name: "android.view.ViewGroup"
      depth: 5
    }
    nodes {
      bounds_in_screen {
        top: 136
        right: 1080
        bottom: 2337
      }
      class_name: "android.view.ViewGroup"
      depth: 6
    }
    nodes {
      bounds_in_screen {
        top: 136
        right: 1080
        bottom: 283
      }
      class_name: "android.widget.LinearLayout"
      depth: 7
    }
    nodes {
      bounds_in_screen {
        top: 283
        right: 1080
        bottom: 2337
      }
      class_name: "android.widget.LinearLayout"
      depth: 7
    }
    nodes {
      bounds_in_screen {
        top: 136
        right: 1080
        bottom: 283
      }
      class_name: "android.view.ViewGroup"
      depth: 8
    }
    nodes {
      bounds_in_screen {
        top: 283
        right: 1080
        bottom: 2337
      }
      class_name: "android.widget.RelativeLayout"
      depth: 8
    }
    nodes {
      bounds_in_screen {
        top: 136
        right: 147
        bottom: 283
      }
      class_name: "android.widget.ImageButton"
      content_description: "Navigate up"
      is_clickable: true
      is_focusable: true
      depth: 9
      tooltip_text: "Navigate up"
    }
    nodes {
      bounds_in_screen {
        left: 189
        top: 209
        right: 190
        bottom: 210
      }
      class_name: "android.widget.ImageView"
      depth: 9
    }
    nodes {
      bounds_in_screen {
        left: 190
        top: 172
        right: 416
        bottom: 247
      }
      class_name: "android.widget.TextView"
      text: "Discover"
      depth: 9
    }
    nodes {
      bounds_in_screen {
        left: 1080
        top: 136
        right: 1080
        bottom: 283
      }
      class_name: "androidx.appcompat.widget.LinearLayoutCompat"
      depth: 9
    }
    nodes {
      bounds_in_screen {
        top: 283
        right: 1080
        bottom: 2337
      }
      class_name: "android.widget.FrameLayout"
      depth: 9
    }
    nodes {
      bounds_in_screen {
        top: 283
        right: 1080
        bottom: 2337
      }
      class_name: "android.webkit.WebView"
      depth: 10
    }
    nodes {
      bounds_in_screen {
        top: 283
        right: 1086
        bottom: 2339
      }
      class_name: "android.webkit.WebView"
      text: "HarvardX: Data Science: Machine Learning | edX"
      is_focusable: true
      is_scrollable: true
      depth: 11
    }
    nodes {
      bounds_in_screen {
        top: 283
        right: 1084
        bottom: 2339
      }
      class_name: "android.view.View"
      is_clickable: true
      depth: 12
    }
    nodes {
      bounds_in_screen {
        top: 283
        right: 1084
        bottom: 2339
      }
      class_name: "android.view.View"
      is_focusable: true
      depth: 13
    }
    nodes {
      bounds_in_screen {
        top: 283
        right: 5
        bottom: 288
      }
      class_name: "android.widget.TextView"
      depth: 13
    }
    nodes {
      bounds_in_screen {
        top: 283
        right: 1084
        bottom: 2339
      }
      class_name: "android.view.View"
      depth: 14
    }
    nodes {
      bounds_in_screen {
        top: 283
        right: 1084
        bottom: 2339
      }
      class_name: "android.view.View"
      text: "Content"
      is_focusable: true
      depth: 15
    }
    nodes {
      bounds_in_screen {
        left: 679
        top: 1965
        right: 1023
        bottom: 2110
      }
      class_name: "android.widget.Button"
      text: "Open XPERT Chatbot"
      is_clickable: true
      is_focusable: true
      depth: 15
    }
    nodes {
      bounds_in_screen {
        top: 283
        right: 1084
        bottom: 1296
      }
      class_name: "android.view.View"
      depth: 16
    }
    nodes {
      bounds_in_screen {
        top: 1291
        right: 1084
        bottom: 2339
      }
      class_name: "android.view.View"
      depth: 16
    }
    nodes {
      bounds_in_screen {
        top: 2453
        right: 1084
        bottom: 2339
      }
      class_name: "android.view.View"
      depth: 16
    }
    nodes {
      bounds_in_screen {
        top: 2595
        right: 1084
        bottom: 2339
      }
      class_name: "android.view.View"
      depth: 16
    }
    nodes {
      bounds_in_screen {
        top: 3391
        right: 1084
        bottom: 2339
      }
      class_name: "android.view.View"
      depth: 16
    }
    nodes {
      bounds_in_screen {
        top: 3532
        right: 1084
        bottom: 2339
      }
      class_name: "android.view.View"
      depth: 16
    }
    nodes {
      bounds_in_screen {
        top: 3674
        right: 1084
        bottom: 2339
      }
      class_name: "android.view.View"
      depth: 16
    }
    nodes {
      bounds_in_screen {
        top: 3816
        right: 1084
        bottom: 2339
      }
      class_name: "android.view.View"
      depth: 16
    }
    nodes {
      bounds_in_screen {
        top: 283
        right: 1084
        bottom: 1296
      }
      class_name: "android.view.View"
      depth: 17
    }
    nodes {
      bounds_in_screen {
        left: 36
        top: 1291
        right: 1044
        bottom: 1367
      }
      class_name: "android.widget.TextView"
      text: "Choose your session:"
      depth: 17
    }
    nodes {
      bounds_in_screen {
        left: 36
        top: 1385
        right: 1044
        bottom: 1443
      }
      class_name: "android.widget.TextView"
      text: "513,929 already enrolled!"
      depth: 17
    }
    nodes {
      bounds_in_screen {
        left: -5
        top: 1490
        right: 1086
        bottom: 1850
      }
      class_name: "android.view.View"
      depth: 17
    }
    nodes {
      bounds_in_screen {
        left: -5
        top: 1889
        right: 1086
        bottom: 2249
      }
      class_name: "android.view.View"
      depth: 17
    }
    nodes {
      bounds_in_screen {
        left: 36
        top: 2299
        right: 94
        bottom: 2339
      }
      class_name: "android.widget.CheckBox"
      text: "I would like to receive email from HarvardX and learn about other offerings related to Data Science: Machine Learning."
      is_checkable: true
      is_clickable: true
      is_focusable: true
      depth: 17
    }
    nodes {
      bounds_in_screen {
        left: 110
        top: 2299
        right: 1044
        bottom: 2339
      }
      class_name: "android.view.View"
      depth: 17
    }
    nodes {
      bounds_in_screen {
        top: 2474
        right: 1084
        bottom: 2339
      }
      class_name: "android.widget.Button"
      text: "About this course"
      is_clickable: true
      is_focusable: true
      depth: 17
    }
    nodes {
      bounds_in_screen {
        top: 2595
        right: 1084
        bottom: 2339
      }
      class_name: "android.widget.TextView"
      depth: 17
    }
    nodes {
      bounds_in_screen {
        top: 2616
        right: 1084
        bottom: 2339
      }
      class_name: "android.widget.Button"
      text: "What you\'ll learn"
      is_clickable: true
      is_focusable: true
      is_focused: true
      depth: 17
    }
    nodes {
      bounds_in_screen {
        top: 2740
        right: 1084
        bottom: 2339
      }
      class_name: "android.view.View"
      depth: 17
    }
    nodes {
      bounds_in_screen {
        top: 3412
        right: 1084
        bottom: 2339
      }
      class_name: "android.widget.Button"
      text: "Instructors"
      is_clickable: true
      is_focusable: true
      depth: 17
    }
    nodes {
      bounds_in_screen {
        top: 3532
        right: 1084
        bottom: 2339
      }
      class_name: "android.widget.TextView"
      depth: 17
    }
    nodes {
      bounds_in_screen {
        top: 3553
        right: 1084
        bottom: 2339
      }
      class_name: "android.widget.Button"
      text: "Frequently Asked Questions"
      is_clickable: true
      is_focusable: true
      depth: 17
    }
    nodes {
      bounds_in_screen {
        top: 3674
        right: 1084
        bottom: 2339
      }
      class_name: "android.widget.TextView"
      depth: 17
    }
    nodes {
      bounds_in_screen {
        top: 3695
        right: 1084
        bottom: 2339
      }
      class_name: "android.widget.Button"
      text: "Ways to take this course"
      is_clickable: true
      is_focusable: true
      depth: 17
    }
    nodes {
      bounds_in_screen {
        top: 3816
        right: 1084
        bottom: 2339
      }
      class_name: "android.widget.TextView"
      depth: 17
    }
    nodes {
      bounds_in_screen {
        top: 3837
        right: 1084
        bottom: 2339
      }
      class_name: "android.widget.Button"
      text: "Share this course"
      is_clickable: true
      is_focusable: true
      depth: 17
    }
    nodes {
      bounds_in_screen {
        top: 3958
        right: 1084
        bottom: 2339
      }
      class_name: "android.widget.TextView"
      depth: 17
    }
    nodes {
      bounds_in_screen {
        left: 36
        top: 325
        right: 433
        bottom: 388
      }
      class_name: "android.view.View"
      text: "breadcrumb"
      depth: 18
    }
    nodes {
      bounds_in_screen {
        left: 36
        top: 416
        right: 1044
        bottom: 569
      }
      class_name: "android.view.View"
      depth: 18
    }
    nodes {
      bounds_in_screen {
        left: 36
        top: 587
        right: 1044
        bottom: 1262
      }
      class_name: "android.view.View"
      depth: 18
    }
    nodes {
      bounds_in_screen {
        left: 36
        top: 1217
        right: 1044
        bottom: 1217
      }
      class_name: "android.widget.TextView"
      depth: 18
    }
    nodes {
      bounds_in_screen {
        left: 36
        top: 1490
        right: 1044
        bottom: 1850
      }
      class_name: "android.view.View"
      is_focusable: true
      depth: 18
    }
    nodes {
      bounds_in_screen {
        left: 36
        top: 1889
        right: 1044
        bottom: 2249
      }
      class_name: "android.view.View"
      is_focusable: true
      depth: 18
    }
    nodes {
      bounds_in_screen {
        left: 110
        top: 2299
        right: 1044
        bottom: 2339
      }
      class_name: "android.widget.TextView"
      text: "I would like to receive email from HarvardX and learn about other offerings related to Data Science: Machine Learning."
      depth: 18
    }
    nodes {
      bounds_in_screen {
        top: 2740
        right: 1084
        bottom: 2339
      }
      class_name: "android.view.View"
      depth: 18
    }
    nodes {
      bounds_in_screen {
        left: 36
        top: 325
        right: 433
        bottom: 388
      }
      class_name: "android.widget.ListView"
      depth: 19
    }
    nodes {
      bounds_in_screen {
        left: 36
        top: 416
        right: 291
        bottom: 548
      }
      class_name: "android.view.View"
      content_description: "Harvard University Logo"
      is_clickable: true
      is_focusable: true
      clickable_spans {
        text: "Harvard University Logo"
        url: "https://www.edx.org/school/harvardx"
        source: CONTENT_DESCRIPTION
        node_id: 62
      }
      depth: 19
    }
    nodes {
      bounds_in_screen {
        left: 36
        top: 587
        right: 1044
        bottom: 905
      }
      class_name: "android.widget.TextView"
      text: "HarvardX: Data Science: Machine Learning"
      depth: 19
    }
    nodes {
      bounds_in_screen {
        left: 36
        top: 923
        right: 1044
        bottom: 1220
      }
      class_name: "android.widget.TextView"
      text: "Build a movie recommendation system and learn the science behind one of the most popular and successful data science techniques."
      depth: 19
    }
    nodes {
      bounds_in_screen {
        left: 388
        top: 1553
        right: 693
        bottom: 1619
      }
      class_name: "android.widget.TextView"
      text: "Starts Dec 11"
      depth: 19
    }
    nodes {
      bounds_in_screen {
        left: 99
        top: 1669
        right: 981
        bottom: 1787
      }
      class_name: "android.view.View"
      depth: 19
    }
    nodes {
      bounds_in_screen {
        left: 317
        top: 1952
        right: 763
        bottom: 2018
      }
      class_name: "android.widget.TextView"
      text: "Starts Apr 17, 2024"
      depth: 19
    }
    nodes {
      bounds_in_screen {
        left: 99
        top: 2068
        right: 981
        bottom: 2186
      }
      class_name: "android.view.View"
      depth: 19
    }
    nodes {
      bounds_in_screen {
        left: 36
        top: 2782
        right: 1044
        bottom: 2339
      }
      class_name: "android.view.View"
      depth: 19
    }
    nodes {
      bounds_in_screen {
        left: 120
        top: 325
        right: 433
        bottom: 388
      }
      class_name: "android.view.View"
      depth: 20
    }
    nodes {
      bounds_in_screen {
        left: 36
        top: 325
        right: 105
        bottom: 388
      }
      class_name: "android.widget.TextView"
      depth: 20
    }
    nodes {
      bounds_in_screen {
        left: 36
        top: 416
        right: 291
        bottom: 548
      }
      class_name: "android.widget.Image"
      text: "Harvard University Logo"
      depth: 20
    }
    nodes {
      bounds_in_screen {
        left: 99
        top: 1669
        right: 981
        bottom: 1787
      }
      class_name: "android.view.View"
      content_description: "Enroll"
      is_clickable: true
      is_focusable: true
      clickable_spans {
        text: "Enroll"
        url: "edxapp://enroll?course_id=course-v1:HarvardX+PH125.8x+3T2023&email_opt_in=false"
        source: CONTENT_DESCRIPTION
        node_id: 72
      }
      depth: 20
    }
    nodes {
      bounds_in_screen {
        left: 99
        top: 2068
        right: 981
        bottom: 2186
      }
      class_name: "android.view.View"
      content_description: "Enroll"
      is_clickable: true
      is_focusable: true
      clickable_spans {
        text: "Enroll"
        url: "edxapp://enroll?course_id=course-v1:HarvardX+PH125.8x+1T2024&email_opt_in=false"
        source: CONTENT_DESCRIPTION
        node_id: 74
      }
      depth: 20
    }
    nodes {
      bounds_in_screen {
        left: 36
        top: 2782
        right: 1044
        bottom: 2339
      }
      class_name: "android.widget.ListView"
      depth: 20
    }
    nodes {
      bounds_in_screen {
        left: 120
        top: 335
        right: 433
        bottom: 374
      }
      class_name: "android.view.View"
      content_description: "Machine Learning"
      is_clickable: true
      is_focusable: true
      clickable_spans {
        text: "Machine Learning"
        url: "https://www.edx.org/learn/machine-learning"
        source: CONTENT_DESCRIPTION
        node_id: 76
      }
      depth: 21
    }
    nodes {
      bounds_in_screen {
        left: 477
        top: 1703
        right: 606
        bottom: 1753
      }
      class_name: "android.widget.TextView"
      text: "Enroll"
      depth: 21
    }
    nodes {
      bounds_in_screen {
        left: 477
        top: 2099
        right: 606
        bottom: 2152
      }
      class_name: "android.widget.TextView"
      text: "Enroll"
      depth: 21
    }
    nodes {
      bounds_in_screen {
        left: 141
        top: 2782
        right: 1044
        bottom: 2339
      }
      class_name: "android.view.View"
      depth: 21
    }
    nodes {
      bounds_in_screen {
        left: 141
        top: 2855
        right: 1044
        bottom: 2339
      }
      class_name: "android.view.View"
      depth: 21
    }
    nodes {
      bounds_in_screen {
        left: 141
        top: 3002
        right: 1044
        bottom: 2339
      }
      class_name: "android.view.View"
      depth: 21
    }
    nodes {
      bounds_in_screen {
        left: 141
        top: 3149
        right: 1044
        bottom: 2339
      }
      class_name: "android.view.View"
      depth: 21
    }
    nodes {
      bounds_in_screen {
        left: 141
        top: 3223
        right: 1044
        bottom: 2339
      }
      class_name: "android.view.View"
      depth: 21
    }
    nodes {
      bounds_in_screen {
        left: 120
        top: 335
        right: 433
        bottom: 374
      }
      class_name: "android.widget.TextView"
      text: "Machine Learning"
      depth: 22
    }
    nodes {
      bounds_in_screen {
        left: 110
        top: 2782
        right: 128
        bottom: 2339
      }
      class_name: "android.view.View"
      text: "• "
      depth: 22
    }
    nodes {
      bounds_in_screen {
        left: 141
        top: 2792
        right: 840
        bottom: 2339
      }
      class_name: "android.widget.TextView"
      text: "The basics of machine learning"
      depth: 22
    }
    nodes {
      bounds_in_screen {
        left: 110
        top: 2855
        right: 128
        bottom: 2339
      }
      class_name: "android.view.View"
      text: "• "
      depth: 22
    }
    nodes {
      bounds_in_screen {
        left: 141
        top: 2868
        right: 924
        bottom: 2339
      }
      class_name: "android.widget.TextView"
      text: "How to perform cross-validation to avoid overtraining"
      depth: 22
    }
    nodes {
      bounds_in_screen {
        left: 110
        top: 3002
        right: 128
        bottom: 2339
      }
      class_name: "android.view.View"
      text: "• "
      depth: 22
    }
    nodes {
      bounds_in_screen {
        left: 141
        top: 3015
        right: 887
        bottom: 2339
      }
      class_name: "android.widget.TextView"
      text: "Several popular machine learning algorithms"
      depth: 22
    }
    nodes {
      bounds_in_screen {
        left: 110
        top: 3149
        right: 128
        bottom: 2339
      }
      class_name: "android.view.View"
      text: "• "
      depth: 22
    }
    nodes {
      bounds_in_screen {
        left: 141
        top: 3162
        right: 1029
        bottom: 2339
      }
      class_name: "android.widget.TextView"
      text: "How to build a recommendation system"
      depth: 22
    }
    nodes {
      bounds_in_screen {
        left: 110
        top: 3223
        right: 128
        bottom: 2339
      }
      class_name: "android.view.View"
      text: "• "
      depth: 22
    }
    nodes {
      bounds_in_screen {
        left: 141
        top: 3233
        right: 921
        bottom: 2339
      }
      class_name: "android.widget.TextView"
      text: "What is regularization and why it is useful?"
      depth: 22
    }
  }
}


assistant: !FUNCTIONCALL{"name": "click", "parameters": {"x": 541, "y": 1727}}