[{'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: 3. YOUR CHOICES REGARDING YOUR INFORMATION Marketing Communications. If you do not wish to receive promotional emails, you can click the "unsubscribe" button on promotional email communications. Note that you are not permitted to unsubscribe or opt-out of non-promotional messages regarding your account, such as account verification, password or local area number requests, order confirmations, change or updates to features of the App, or technical and security notices.'}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]