[{'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: Back to top Information we collect We collect information to provide better services to all of our users - from figuring out basic stuff like which language you speak, to more complex things like which ads you'll find most useful, the people who matter most to you online, or which YouTube videos you might like."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]