[{'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: Retention and de-identification. We de-identify stored search queries by removing the entirety of the IP address after 6 months, and cookie IDs and other cross-session identifiers after 18 months."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Identifier_Cookie_or_similar_Tech_1stParty, Identifier_IP_Address_1stParty.'}]