[{'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: Our platforms are meant for adults. We do not knowingly collect personally identifiable information from children under 13 without permission from a parent or guardian. If you are a parent or legal guardian and think your child under 13 has given us information, you can email us. You can also write to us at the address listed at the end of this Policy. Please mark your inquiries "COPPA Information Request." Parents, you can learn more about how to protect children\'s privacy on-line here.'}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]