[{'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: This Privacy Policy describes what personal information You may share with Truecaller, as data controller, and other Users when activating and using the Truecaller Services, how Truecaller receives, collects and uses this data and how You may opt-out at any time, altogether preventing use of the data shared via the Services."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]