[{'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 we decide to change our privacy policy, we will post those changes on this page so that you are always aware of what information we collect, how we use it, and under what circumstances we disclose it."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]