[{'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. Ziff Davis websites are not intended for use by children, especially those under 13. No one under age 13 should provide any Personal Information or use our public discussion areas, forums or chats. Minors under the age of 18 are prohibited from making purchases on our sites or obtaining coupons or codes from our sites to purchase goods or services on third party websites. If, notwithstanding these prohibitions, your children disclose information about themselves in our public discussion areas, consequences may occur that are not intended for children (for example, they may receive unsolicited messages from other parties). If it is discovered that we have collected Personal Information from someone under 13, we will delete that information immediately."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]