instruction: I want to change the measurement unit in this app, so change the preferred measurements from us to metric in the Yummly app. 

previous_actions: 

active_application: App info

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      text: "9:05"
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      class_name: "android.widget.FrameLayout"
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}
windows {
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  id: 424
  title: "App info"
  window_type: TYPE_APPLICATION
  is_active: true
  is_focused: true
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        top: 1686
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      text: "Storage & cache"
      depth: 12
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      text: "322 MB used in internal storage"
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      class_name: "android.widget.TextView"
      text: "No battery use since last full charge"
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      class_name: "android.widget.TextView"
      text: "Allow app to open supported links"
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    }
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      class_name: "android.widget.TextView"
      text: "Yummly"
      depth: 13
    }
  }
}


assistant: !FUNCTIONCALL{"name": "navigate_back", "parameters": {}}