[{'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's Privacy Our Services are not intended for children under the age of 13. Therefore we do not knowingly collect personal information via our websites, applications, services, or tools from anyone under 13."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]