[{'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 disclose your unique identifier which can't trace back to you to service providers and other third-parties under contract who help with providing you our advertising Services or other services provided by third-parties via our Services."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Identifier_3rdParty.'}]