[{'role': 'user', 'content': "Analyze the following clause from a privacy policy and determine if it's fair or unfair. Also identify any privacy practices mentioned: Gesture Control.To provide you with the ability to control your SmartTV through gestures, the camera mounted on the top of your SmartTV can recognize your movements. This enables you, for example, to move between panels and zoom in or zoom out. We record information about when and how users use gesture controls so that we can evaluate the performance of these controls and improve them."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]