[{'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 a small piece of data used to exchange information between your browser and the server. We use cookies to store your session identifier. The server erases your cookies when you log out. We may use the permanent cookies to store some of your preferences, such as user interface language. Server logs"}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Identifier_Cookie_or_similar_Tech_1stParty.'}]