[{'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: If you wish to opt out of push notifications, select the Settings tab for the applicable Website/App, and follow the necessary prompts to opt out of further push notifications."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]