[{'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. If we make a change to this privacy policy, we will make previous versions available so that you can see when changes occurred and what they are. If one or more Motorola Experiences changes the way they collect, store, transfer, or otherwise use Personal Information, we will ask for your permission before activating the new or modified Motorola Experiences."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]