[{'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: 13 Please note that, even when you delete your account, the posts, comments and messages you submit through the Services may still be viewable or available on our servers. For more information, see "Your Choices" below.'}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]