[{'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 may change this Privacy Policy from time to time. If we make changes, we will notify you by revising the date a the top of the policy and, depending on the specific changes, we may provide you with additional notice or require renewed consent (e.g., by adding statement to our website's homepage or in the App). We encourage you to review the Privacy Policy whenever you access the App to stay informed about our information practices and the ways you can help protect your privacy."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]