[{'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 do not knowingly contact or collect personal information from children under 13. If you believe we have inadvertently collected such information, please contact us so we can promptly obtain parental consent or remove the information."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]