[{'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: Changes to this Privacy Policy From time to time, we may change this privacy policy to accommodate new technologies, industry practices, regulatory requirements or for other purposes. We will provide notice to you if these changes are material and, where required by applicable law, we will obtain your consent."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]