[{'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 websites are general audience websites, and our Services are not intended for children under the age of 13. We do not knowingly collect personal information from users in this age group."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]