[{'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 We do not knowingly use information we collect about children known to be under the age of 13 for any marketing or promotional purposes, nor do we permit our affiliates, third-party sponsors or other third parties with whom we may share information to do so. We use the information collected about children known to be under 13 only to provide services. We will give out personal information about children if required by law, for example to comply with a court order or subpoena, or to protect the safety and security of visitors and our sites."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]