[{'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 choose to post messages on our message boards, chat rooms or other message areas or leave feedback, we will collect that information you provide to us. We retain this information as necessary to resolve disputes, provide customer support and troubleshoot problems as permitted by law."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]