[{'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: 10. Changes To Our Privacy Policy We reserve the right to make changes to Our Privacy Policy from time to time. Any such changes to Our privacy policy will be posted here."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]