[{'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: B. LICENSING To check if you have a valid license for a paid app or in-app purchases, your device's serial number, IMEI, ESN, a (semi-)unique number generated at first install time, or your store account name, may be transmitted and checked against. However, for most of our apps all of this is handled (if checked at all) by the store application rather than the app itself, so please see the stores section below."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Identifier_IMEI_1stParty, Identifier_SIM_Serial_1stParty.'}]