[{'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: "last seen" information is available and displayed to each user whom you have added in your Friends (and which you have not blocked), and reﬂects the last approximate time the hike application has been backgrounded or brought to the foreground on your mobile phone. "Last Seen" information is reported to hike when a user brings the mobile application to the foreground or quits it.'}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Contact_Address_Book_1stParty.'}]