[{'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: Device Information There may be times where the serial numbers etc., of devices are collected. Such information will be utilized for the provision of a better service and to prevent fraudulent acts that may lead to the obstruction of normal services."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Identifier_SIM_Serial_1stParty.'}]