instruction: After completing the first chapter of this topic, I want to practice my skills, so start practicing answering the questions in the Knowing prehistory tab in the Khan Academy app.

previous_actions: 

active_application: 

screen_description: windows {
  bounds_in_screen {
    right: 1080
    bottom: 136
  }
  id: 7
  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: 439
        bottom: 136
      }
      class_name: "android.widget.FrameLayout"
      depth: 5
    }
    nodes {
      bounds_in_screen {
        left: 840
        top: 1
        right: 1006
        bottom: 136
      }
      class_name: "android.widget.LinearLayout"
      depth: 5
    }
    nodes {
      bounds_in_screen {
        left: 47
        top: 1
        right: 439
        bottom: 136
      }
      class_name: "android.widget.LinearLayout"
      depth: 6
    }
    nodes {
      bounds_in_screen {
        left: 840
        top: 1
        right: 1006
        bottom: 136
      }
      class_name: "android.widget.LinearLayout"
      depth: 6
    }
    nodes {
      bounds_in_screen {
        left: 47
        top: 1
        right: 149
        bottom: 136
      }
      class_name: "android.widget.TextView"
      content_description: "10:13 AM"
      text: "10:13"
      depth: 7
    }
    nodes {
      bounds_in_screen {
        left: 149
        top: 1
        right: 439
        bottom: 136
      }
      class_name: "android.widget.FrameLayout"
      depth: 7
    }
    nodes {
      bounds_in_screen {
        left: 840
        top: 1
        right: 902
        bottom: 136
      }
      class_name: "android.widget.LinearLayout"
      depth: 7
    }
    nodes {
      bounds_in_screen {
        left: 902
        top: 1
        right: 1006
        bottom: 136
      }
      class_name: "android.widget.LinearLayout"
      content_description: "Battery charging, 95 percent."
      depth: 7
    }
    nodes {
      bounds_in_screen {
        left: 149
        top: 1
        right: 439
        bottom: 136
      }
      class_name: "android.view.ViewGroup"
      depth: 8
    }
    nodes {
      bounds_in_screen {
        left: 840
        top: 39
        right: 886
        bottom: 97
      }
      class_name: "android.widget.FrameLayout"
      content_description: "Wifi three bars."
      depth: 8
    }
    nodes {
      bounds_in_screen {
        left: 902
        top: 51
        right: 922
        bottom: 85
      }
      class_name: "android.widget.ImageView"
      depth: 8
    }
    nodes {
      bounds_in_screen {
        left: 922
        top: 1
        right: 1006
        bottom: 136
      }
      class_name: "android.widget.TextView"
      text: "95%"
      depth: 8
    }
    nodes {
      bounds_in_screen {
        left: 149
        top: 1
        right: 207
        bottom: 136
      }
      class_name: "android.widget.ImageView"
      content_description: "PlantSnap notification: The Top PlantSnappers of 2023"
      depth: 9
    }
    nodes {
      bounds_in_screen {
        left: 207
        top: 1
        right: 265
        bottom: 136
      }
      class_name: "android.widget.ImageView"
      content_description: "Runkeeper notification: Meet your accountability buddy:"
      depth: 9
    }
    nodes {
      bounds_in_screen {
        left: 265
        top: 1
        right: 323
        bottom: 136
      }
      class_name: "android.widget.ImageView"
      content_description: "Tasks notification: Morning walk"
      depth: 9
    }
    nodes {
      bounds_in_screen {
        left: 323
        top: 1
        right: 381
        bottom: 136
      }
      class_name: "android.widget.ImageView"
      content_description: "Pepperfry notification: "
      depth: 9
    }
    nodes {
      bounds_in_screen {
        left: 381
        top: 1
        right: 439
        bottom: 136
      }
      class_name: "android.widget.ImageView"
      content_description: "Gmail notification: 11 new messages"
      depth: 9
    }
    nodes {
      bounds_in_screen {
        left: 399
        top: 1
        right: 439
        bottom: 136
      }
      class_name: "android.widget.ImageView"
      content_description: "Google Play services notification: "
      depth: 9
    }
    nodes {
      bounds_in_screen {
        left: 399
        top: 1
        right: 439
        bottom: 136
      }
      class_name: "android.widget.ImageView"
      content_description: "Gmail notification: 4 new messages"
      depth: 9
    }
    nodes {
      bounds_in_screen {
        left: 399
        top: 1
        right: 439
        bottom: 136
      }
      class_name: "android.widget.ImageView"
      content_description: "Truecaller notification: ⚠ Truecaller not enabled"
      depth: 9
    }
    nodes {
      bounds_in_screen {
        left: 399
        top: 1
        right: 439
        bottom: 136
      }
      class_name: "android.widget.ImageView"
      content_description: "Google Play Store notification: New on Play: this month\'s top picks"
      depth: 9
    }
    nodes {
      bounds_in_screen {
        left: 399
        top: 1
        right: 439
        bottom: 136
      }
      class_name: "android.widget.ImageView"
      content_description: "Google notification: Weather in Meerut"
      depth: 9
    }
    nodes {
      bounds_in_screen {
        left: 847
        top: 39
        right: 886
        bottom: 97
      }
      class_name: "android.widget.LinearLayout"
      depth: 9
    }
    nodes {
      bounds_in_screen {
        left: 847
        top: 48
        right: 886
        bottom: 87
      }
      class_name: "android.widget.FrameLayout"
      depth: 10
    }
    nodes {
      bounds_in_screen {
        left: 847
        top: 48
        right: 886
        bottom: 87
      }
      class_name: "android.widget.ImageView"
      depth: 11
    }
  }
}
windows {
  bounds_in_screen {
    right: 1080
    bottom: 2400
  }
  id: 1694
  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.widget.FrameLayout"
      depth: 5
    }
    nodes {
      bounds_in_screen {
        top: 136
        right: 1080
        bottom: 2337
      }
      class_name: "android.widget.FrameLayout"
      depth: 6
    }
    nodes {
      bounds_in_screen {
        top: 136
        right: 1080
        bottom: 2337
      }
      class_name: "android.view.ViewGroup"
      depth: 7
    }
    nodes {
      bounds_in_screen {
        top: 136
        right: 1080
        bottom: 2337
      }
      class_name: "android.view.ViewGroup"
      depth: 8
    }
    nodes {
      bounds_in_screen {
        top: 136
        right: 1080
        bottom: 2337
      }
      class_name: "android.view.ViewGroup"
      depth: 9
    }
    nodes {
      bounds_in_screen {
        top: 136
        right: 1080
        bottom: 136
      }
      class_name: "android.widget.LinearLayout"
      depth: 10
    }
    nodes {
      bounds_in_screen {
        top: 136
        right: 1080
        bottom: 2337
      }
      class_name: "android.view.ViewGroup"
      depth: 10
    }
    nodes {
      bounds_in_screen {
        top: 136
        right: 1080
        bottom: 2337
      }
      class_name: "android.view.ViewGroup"
      depth: 11
    }
    nodes {
      bounds_in_screen {
        top: 136
        right: 1080
        bottom: 2337
      }
      class_name: "android.view.ViewGroup"
      depth: 12
    }
    nodes {
      bounds_in_screen {
        top: 136
        right: 1080
        bottom: 283
      }
      class_name: "android.view.ViewGroup"
      depth: 13
    }
    nodes {
      bounds_in_screen {
        top: 283
        right: 1080
        bottom: 2337
      }
      class_name: "android.view.ViewGroup"
      depth: 13
    }
    nodes {
      bounds_in_screen {
        top: 136
        right: 1080
        bottom: 136
      }
      class_name: "android.view.ViewGroup"
      depth: 14
    }
    nodes {
      bounds_in_screen {
        top: 136
        right: 1080
        bottom: 283
      }
      class_name: "android.view.ViewGroup"
      depth: 14
    }
    nodes {
      bounds_in_screen {
        top: 283
        right: 1080
        bottom: 2337
      }
      class_name: "android.view.ViewGroup"
      depth: 14
    }
    nodes {
      bounds_in_screen {
        left: 42
        top: 136
        right: 1038
        bottom: 282
      }
      class_name: "android.view.ViewGroup"
      depth: 15
    }
    nodes {
      bounds_in_screen {
        top: 283
        right: 1080
        bottom: 2337
      }
      class_name: "android.view.ViewGroup"
      depth: 15
    }
    nodes {
      bounds_in_screen {
        top: 283
        right: 1080
        bottom: 2179
      }
      class_name: "android.view.ViewGroup"
      depth: 15
    }
    nodes {
      bounds_in_screen {
        top: 1507
        right: 1080
        bottom: 2179
      }
      class_name: "android.view.ViewGroup"
      is_clickable: true
      is_focusable: true
      depth: 15
    }
    nodes {
      bounds_in_screen {
        left: 42
        top: 178
        right: 131
        bottom: 241
      }
      class_name: "android.widget.Button"
      content_description: "Back"
      is_clickable: true
      is_focusable: true
      depth: 16
    }
    nodes {
      bounds_in_screen {
        left: 131
        top: 183
        right: 1006
        bottom: 236
      }
      class_name: "android.widget.TextView"
      text: "Knowing prehistory"
      depth: 16
    }
    nodes {
      bounds_in_screen {
        left: 1038
        top: 209
        right: 1038
        bottom: 209
      }
      class_name: "android.view.ViewGroup"
      depth: 16
    }
    nodes {
      bounds_in_screen {
        top: 283
        right: 1080
        bottom: 2337
      }
      class_name: "android.view.ViewGroup"
      depth: 16
    }
    nodes {
      bounds_in_screen {
        top: 283
        right: 1080
        bottom: 2179
      }
      class_name: "android.view.ViewGroup"
      is_clickable: true
      is_focusable: true
      depth: 16
    }
    nodes {
      bounds_in_screen {
        top: 2179
        right: 1080
        bottom: 2337
      }
      class_name: "android.view.ViewGroup"
      depth: 16
    }
    nodes {
      bounds_in_screen {
        top: 2060
        right: 1080
        bottom: 2189
      }
      class_name: "android.view.ViewGroup"
      depth: 16
    }
    nodes {
      bounds_in_screen {
        top: 2620
        right: 1080
        bottom: 2337
      }
      class_name: "android.view.ViewGroup"
      depth: 16
    }
    nodes {
      bounds_in_screen {
        top: 283
        right: 1080
        bottom: 2179
      }
      class_name: "android.widget.FrameLayout"
      depth: 16
    }
    nodes {
      bounds_in_screen {
        left: 42
        top: 178
        right: 105
        bottom: 241
      }
      class_name: "android.widget.ImageView"
      depth: 17
    }
    nodes {
      bounds_in_screen {
        top: 283
        right: 1080
        bottom: 2337
      }
      class_name: "android.view.View"
      depth: 17
    }
    nodes {
      bounds_in_screen {
        top: 283
        right: 1080
        bottom: 1627
      }
      class_name: "android.widget.ImageView"
      depth: 17
    }
    nodes {
      bounds_in_screen {
        top: 1627
        right: 1080
        bottom: 2337
      }
      class_name: "android.widget.ImageView"
      depth: 17
    }
    nodes {
      bounds_in_screen {
        top: 2179
        right: 1080
        bottom: 2337
      }
      class_name: "android.view.ViewGroup"
      depth: 17
    }
    nodes {
      bounds_in_screen {
        top: 2060
        right: 1080
        bottom: 2189
      }
      class_name: "android.view.ViewGroup"
      is_clickable: true
      is_focusable: true
      depth: 17
    }
    nodes {
      bounds_in_screen {
        top: 283
        right: 1080
        bottom: 2179
      }
      class_name: "android.webkit.WebView"
      depth: 17
    }
    nodes {
      bounds_in_screen {
        left: 42
        top: 2227
        right: 105
        bottom: 2290
      }
      class_name: "android.widget.Button"
      content_description: "Toggle scratchpad"
      is_clickable: true
      is_focusable: true
      depth: 18
    }
    nodes {
      bounds_in_screen {
        left: 147
        top: 2227
        right: 210
        bottom: 2290
      }
      class_name: "android.widget.Button"
      content_description: "Start over"
      is_clickable: true
      is_focusable: true
      depth: 18
    }
    nodes {
      bounds_in_screen {
        left: 252
        top: 2243
        right: 282
        bottom: 2274
      }
      class_name: "android.view.ViewGroup"
      depth: 18
    }
    nodes {
      bounds_in_screen {
        left: 293
        top: 2247
        right: 315
        bottom: 2270
      }
      class_name: "android.view.ViewGroup"
      depth: 18
    }
    nodes {
      bounds_in_screen {
        left: 326
        top: 2248
        right: 347
        bottom: 2269
      }
      class_name: "android.view.ViewGroup"
      depth: 18
    }
    nodes {
      bounds_in_screen {
        left: 668
        top: 2206
        right: 1038
        bottom: 2311
      }
      class_name: "android.view.ViewGroup"
      is_clickable: true
      is_focusable: true
      depth: 18
    }
    nodes {
      bounds_in_screen {
        left: 32
        top: 2093
        right: 95
        bottom: 2156
      }
      class_name: "android.widget.ImageView"
      depth: 18
    }
    nodes {
      bounds_in_screen {
        left: 110
        top: 2100
        right: 402
        bottom: 2148
      }
      class_name: "android.widget.TextView"
      text: "Stuck? Use a hint."
      depth: 18
    }
    nodes {
      bounds_in_screen {
        top: 283
        right: 1084
        bottom: 2181
      }
      class_name: "android.webkit.WebView"
      text: "Exercise"
      is_focusable: true
      is_focused: true
      is_scrollable: true
      depth: 18
    }
    nodes {
      bounds_in_screen {
        left: 42
        top: 2227
        right: 105
        bottom: 2290
      }
      class_name: "android.widget.ImageView"
      content_description: "Scratchpad"
      depth: 19
    }
    nodes {
      bounds_in_screen {
        left: 147
        top: 2227
        right: 210
        bottom: 2290
      }
      class_name: "android.widget.ImageView"
      depth: 19
    }
    nodes {
      bounds_in_screen {
        left: 668
        top: 2206
        right: 1038
        bottom: 2311
      }
      class_name: "android.view.ViewGroup"
      depth: 19
    }
    nodes {
      bounds_in_screen {
        top: 409
        right: 1084
        bottom: 1351
      }
      class_name: "android.view.View"
      depth: 19
    }
    nodes {
      bounds_in_screen {
        left: 689
        top: 2232
        right: 1017
        bottom: 2285
      }
      class_name: "android.widget.TextView"
      text: "Check again"
      depth: 20
    }
    nodes {
      bounds_in_screen {
        top: 409
        right: 1084
        bottom: 1351
      }
      class_name: "android.view.View"
      depth: 20
    }
    nodes {
      bounds_in_screen {
        top: 409
        right: 1084
        bottom: 1351
      }
      class_name: "android.view.View"
      depth: 21
    }
    nodes {
      bounds_in_screen {
        top: 409
        right: 1084
        bottom: 1351
      }
      class_name: "android.view.View"
      depth: 22
    }
    nodes {
      bounds_in_screen {
        top: 1472
        right: 1084
        bottom: 1472
      }
      class_name: "android.widget.TextView"
      depth: 22
    }
    nodes {
      bounds_in_screen {
        top: 1346
        right: 1084
        bottom: 1346
      }
      class_name: "android.view.View"
      depth: 22
    }
    nodes {
      bounds_in_screen {
        left: 42
        top: 409
        right: 1042
        bottom: 542
      }
      class_name: "android.widget.TextView"
      text: "Why is it difficult for historians to study early human societies?"
      depth: 23
    }
    nodes {
      bounds_in_screen {
        top: 624
        right: 1084
        bottom: 1351
      }
      class_name: "android.view.View"
      depth: 23
    }
    nodes {
      bounds_in_screen {
        left: 42
        top: 624
        right: 1084
        bottom: 1351
      }
      class_name: "android.view.View"
      text: "Choose 1 answer:"
      depth: 24
    }
    nodes {
      bounds_in_screen {
        left: 36
        top: 621
        right: 42
        bottom: 626
      }
      class_name: "android.view.View"
      text: "Choose 1 answer:"
      depth: 25
    }
    nodes {
      bounds_in_screen {
        top: 718
        right: 1084
        bottom: 1351
      }
      class_name: "android.widget.ListView"
      depth: 25
    }
    nodes {
      bounds_in_screen {
        top: 718
        right: 1084
        bottom: 976
      }
      class_name: "android.view.View"
      depth: 26
    }
    nodes {
      bounds_in_screen {
        top: 973
        right: 1084
        bottom: 1162
      }
      class_name: "android.view.View"
      depth: 26
    }
    nodes {
      bounds_in_screen {
        top: 1159
        right: 1084
        bottom: 1348
      }
      class_name: "android.view.View"
      depth: 26
    }
    nodes {
      bounds_in_screen {
        left: -5
        top: 718
        bottom: 724
      }
      class_name: "android.view.View"
      depth: 27
    }
    nodes {
      bounds_in_screen {
        top: 718
        right: 1084
        bottom: 973
      }
      class_name: "android.widget.Button"
      text: "A Before the advent of writing, historians had fewer and less detailed resources to work with"
      is_clickable: true
      is_focusable: true
      depth: 27
    }
    nodes {
      bounds_in_screen {
        left: -5
        top: 970
        bottom: 976
      }
      class_name: "android.view.View"
      depth: 27
    }
    nodes {
      bounds_in_screen {
        top: 973
        right: 1084
        bottom: 1162
      }
      class_name: "android.widget.Button"
      text: "B There are no surviving artifacts or fossils from that time"
      is_clickable: true
      is_focusable: true
      depth: 27
    }
    nodes {
      bounds_in_screen {
        left: -5
        top: 1157
        bottom: 1162
      }
      class_name: "android.view.View"
      depth: 27
    }
    nodes {
      bounds_in_screen {
        top: 1159
        right: 1084
        bottom: 1348
      }
      class_name: "android.widget.Button"
      text: "C Written records from that time are indecipherable or meaningless"
      is_clickable: true
      is_focusable: true
      depth: 27
    }
    nodes {
      bounds_in_screen {
        left: 7
        top: 726
        right: 55
        bottom: 771
      }
      class_name: "android.widget.RadioButton"
      text: "(Choice A)   Before the advent of writing, historians had fewer and less detailed resources to work with"
      is_checkable: true
      is_clickable: true
      is_focusable: true
      depth: 28
    }
    nodes {
      bounds_in_screen {
        left: -5
        top: 718
        bottom: 724
      }
      class_name: "android.view.View"
      text: "(Choice A)   Before the advent of writing, historians had fewer and less detailed resources to work with"
      depth: 28
    }
    nodes {
      bounds_in_screen {
        left: 7
        top: 978
        right: 55
        bottom: 1023
      }
      class_name: "android.widget.RadioButton"
      text: "(Choice B)   There are no surviving artifacts or fossils from that time"
      is_checkable: true
      is_clickable: true
      is_focusable: true
      depth: 28
    }
    nodes {
      bounds_in_screen {
        left: -5
        top: 970
        bottom: 976
      }
      class_name: "android.view.View"
      text: "(Choice B)   There are no surviving artifacts or fossils from that time"
      depth: 28
    }
    nodes {
      bounds_in_screen {
        left: 7
        top: 1165
        right: 55
        bottom: 1209
      }
      class_name: "android.widget.RadioButton"
      text: "(Choice C)   Written records from that time are indecipherable or meaningless"
      is_checkable: true
      is_clickable: true
      is_focusable: true
      depth: 28
    }
    nodes {
      bounds_in_screen {
        left: -5
        top: 1157
        bottom: 1162
      }
      class_name: "android.view.View"
      text: "(Choice C)   Written records from that time are indecipherable or meaningless"
      depth: 28
    }
  }
}


assistant: !FUNCTIONCALL{"name": "click", "parameters": {"x": 542, "y": 845}}