[{'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: We reserve the right to change this Privacy Policy at any time without notice. Please check the privacy policy regularly. If you do not expressly object to the validity of the new privacy policy via email within this two (2) week period, then the newly revised Privacy Policy will be considered agreed upon. If you reject the newly revised Privacy Policy, then we may terminate our relationship with You."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]