[{'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: Place of processing: US Privacy Policy Further information about Personal Data Unique device identification This Application may track Users by storing a unique identifier of their device, for analytics purposes or for storing Users' preferences."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Identifier_Device_ID_1stParty.'}]