[{'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: If you are under the age of 13, you must not use our services. If you are between the ages of 13 and 18 (or the relevant age in your jurisdiction where you are considered a minor), your parent or guardian must agree to these Terms (both for themselves and on your behalf) before you can use Our Service."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]