[{'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 vendors do not use cookies to serve ads on our site. We are not using Google's DART cookie, which enbables serving ads to our users based on previous visits to other sites on the Internet."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Identifier_Cookie_or_similar_Tech_3rdParty.'}]