[{'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: Cookies are small data files that are commonly stored on your device when you browse and use websites and online services. They are widely used to make websites work, or to work more efficiently, as well as to provide reporting information and assist with service or advertising personalization."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Identifier_Cookie_or_similar_Tech_1stParty.'}]