[{'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 and Advertising. We do not deliver interest-based advertising to children whose birthdate in their Microsoft account identifies them as under 13 years of age."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Demographic_Age_1stParty.'}]