[{'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: There are session cookies and persistent cookies. Session cookies only last during your session on a website - when you close your browser to end a session, the cookies end as well. Persistent cookies last longer, and are used to remember things over time, such as your language preference or that you are a unique user who is returning to a website."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Identifier_Cookie_or_similar_Tech_1stParty.'}]