[{'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: 5. UPDATES TO THIS POLICY We reserve the right to modify this Policy from time to time. If we make any changes to this Policy, we will change the "Last Revision" date below and will post the updated Policy on this page.'}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]