[{'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: Example "credit card" Whilst we currently don\'t ask for a credit card during sign up, verifying your age through a small credit card transaction is one way to confirm that you meet our age requirements in case your account was disabled after you have entered a birthday indicating you are not old enough to have a Google Account.'}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Demographic_Age_1stParty.'}]