[{'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: If you choose to create a profile on TripAdvisor, certain information in your profile will be publicly viewable and identifiable via your screen name. You will have the ability to view your profile as members of the public will see it. Additionally, if you choose to participate in our member-to-member communications programs, other TripAdvisor members may contact you by using TripAdvisor as an intermediary; however, TripAdvisor will not share your email address with any other members nor display it any public manner. All TripAdvisor members have the option to turn off the member-to-member communication features at any time."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]