[{'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 advertisement companies may not place and access cookies on your device to collect information about your visit on websites. They are not allowed to collect device advertising identifiers from your mobile operating system."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Identifier_Ad_ID_3rdParty, Identifier_Cookie_or_similar_Tech_3rdParty.'}]