[{'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: We mainly collect persistent identifier (such as an IP address, mobile device id, or a unique device identifier) from the child. We may also collect the email address of the child."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Contact_E_Mail_Address_1stParty, Identifier_Device_ID_1stParty, Identifier_IP_Address_1stParty.'}]