instruction: Get the help for the last practice question on the Khan Academy app.

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      class_name: "android.widget.RadioButton"
      text: "(Choice D)   Hundred thousands"
      is_checkable: true
      is_clickable: true
      is_focusable: true
      depth: 27
    }
    nodes {
      bounds_in_screen {
        left: -5
        top: 1033
        bottom: 1039
      }
      class_name: "android.view.View"
      text: "(Choice D)   Hundred thousands"
      depth: 27
    }
  }
}


assistant: !FUNCTIONCALL{"name": "click", "parameters": {"x": 542, "y": 1231}}