[{'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 may request that you provide your age information, including your date of birth to customize our App's content and other features. If your child identifies himself or herself as under the age of 13, please see our Children's Privacy Policy here [http://www.backflipstudios.com/help/privacy-policy-children] for a description of how we collect, use and share information we collect from children under the age of 13."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Demographic_Age_1stParty.'}]