[{'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: Persistent Identifiers When children interact with us, certain information may be collected automatically, both to make our sites and applications more interesting and useful to children and for various purposes related to our business."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Identifier_1stParty.'}]