[{'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: Third party advertising companies serve ads on our site. We will not share data that can identify you personally. They may also use cookies or beacons (also called clear gifs) to manage the best their online advertising."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Identifier_Cookie_or_similar_Tech_3rdParty.'}]