[{'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: You also can add or update information and close your account as described above. If you decide to close your TripAdvisor account, we will deactivate your account and remove your profile information from active view. Please note, however, that we may retain in our files some information associated with your account and past transactions for purposes including backups, fraud prevention, dispute resolution, investigations, and compliance with legal requirements."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]