instruction: In the Docs App, In business letters, preview the letter and make the necessary changes to it.

previous_actions: 

active_application: Business letter

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      content_description: "9:39 AM"
      text: "9:39"
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      content_description: "Wifi signal full."
      depth: 8
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        top: 1
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      }
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      content_description: "Gmail notification: Relive"
      depth: 9
    }
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      content_description: "FitPro notification: Device disconnected"
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        left: 381
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        bottom: 136
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    right: 1080
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  id: 2788
  title: "Business letter"
  window_type: TYPE_APPLICATION
  is_active: true
  is_focused: true
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        top: 146
        right: 147
        bottom: 293
      }
      class_name: "android.widget.ImageButton"
      content_description: "Back"
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      is_focusable: true
      depth: 6
      tooltip_text: "Back"
    }
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        left: 147
        top: 144
        right: 629
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      is_focusable: true
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    }
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    }
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      class_name: "android.widget.LinearLayout"
      depth: 7
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        bottom: 2400
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      depth: 7
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      text: "Business letter"
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      is_focusable: true
      depth: 7
      tooltip_text: "Share"
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      content_description: "Current viewers"
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      class_name: "android.widget.Button"
      content_description: "Comments"
      is_checkable: true
      is_clickable: true
      is_focusable: true
      depth: 7
      tooltip_text: "Comments"
    }
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        bottom: 282
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      content_description: "More options"
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      is_focusable: true
      depth: 7
      tooltip_text: "More options"
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      depth: 10
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      depth: 10
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}


assistant: !FUNCTIONCALL{"name": "click", "parameters": {"x": 943, "y": 2200}}