[{'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: Children's privacy We take special precautions respecting users under the age of 13. If a user chooses to register, they can input a date of birth, username and email address to set up an account. The under-13 user's account is limited to participating in those aspects of the Services that are deemed to be appropriate for users under 13; features of our Services that may involve the possibility of posting personal information, such as comments, are automatically disabled."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Contact_E_Mail_Address_1stParty, Demographic_Age_1stParty.'}]