[{'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: 9. Device ID & call information Read phone status and identity We use this information to evaluate the effects of our various promotion methods and improve our service. E.g. determine which language should be supported in HOLA Launcher."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Identifier_Device_ID_1stParty.'}]