[{'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: hike does not collect emails, addresses or other contact information from its users\' mobile address book other than mobile phone numbers and names associated with such mobile phone numbers of the persons in such users\' contact lists and/or address books. The Application will associate whatever name the hike user has assigned to the mobile telephone number in his/her mobile address book.As a result, if You have Your friend\'s mobile phone number associated with the name "Doctor" or "Electrician" in Your mobile address book, that\'s the name that will appear for that mobile phone number in Your hike list of contacts. We may collect location data for use in the improvement of Services and users may also voluntarily share their location with other users via the hike application.'}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Contact_1stParty, Contact_Address_Book_1stParty, Contact_E_Mail_Address_1stParty, Contact_Phone_Number_1stParty, Contact_Postal_Address_1stParty, Location_1stParty.'}]