[{'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: Changes Our Privacy Policy may change from time to time. We will not reduce your rights under this Privacy Policy without your explicit consent. We will post any privacy policy changes on this page and, if the changes are significant, we will provide a more prominent notice. We will also keep prior versions of this Privacy Policy in an archive for your review."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]