[{'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 make changes to this Privacy Policy at any time. Your continued use of our products, applications, services and websites that are subject to this Privacy Policy will signify your acceptance of any and all changes to this Privacy Policy made by us from time to time."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]