[{'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 collect personally identifiable information from children under 13. If you are a parent or guardian and you learn that your Children have provided us with Personal Information, please contact us. If we become aware that we have collected Personal Information from a children under age 13 without verification of parental consent, we take steps to remove that information from our servers."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]