[{'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: We do not link this automatically-collected data to personally identifiable information except during special promotions such as free trials when subscription IP addresses are temporarily tied to personally identifiable information."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Identifier_IP_Address_1stParty.'}]