[{'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: Deleting Your WhatsApp Account. You may delete your WhatsApp account at any time (including if you want to revoke your consent to our use of your information) using our in-app delete my account feature. When you delete your WhatsApp account, your undelivered messages are deleted from our servers as well as any of your other information we no longer need to operate and provide our Services. Be mindful that if you only delete our Services from your device without using our in-app delete my account feature, your information may be stored with us for a longer period. Please remember that when you delete your account, it does not affect the information other users have relating to you, such as their copy of the messages you sent them."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]