[{'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 make material changes to this policy, we will notify you by publishing a revised Privacy Policy or by means of a notice on our website, or as required by law. You agree to review the Privacy Policy periodically so that you are aware of any modifications. You agree that your continued use of the Service after we publish a revised Privacy Policy or provide a notice on our website constitutes your acceptance of the revised Privacy Policy. If you do not agree with the terms of the Privacy Policy, you should not use the Service."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]