[{'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: For Sites that either are directed to children under 13 or have actual knowledge that a user is a child under 13 years old, we either will obtain the consent of the child's parent before allowing the child to use these interactive features and services or will use reasonable technical measures to delete all or virtually all personal information from a child's postings before they are made public and also delete such information from our records."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]