[{'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: Users who do not wish to have cookies placed on their computers should set their devices to refuse cookies or tracking before using the Services, with the drawback that certain features of such service may not function properly."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Identifier_Cookie_or_similar_Tech_1stParty.'}]