[{'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: Your License to WhatsApp. In order to operate and provide our Services, you grant WhatsApp a worldwide, non-exclusive, royalty-free, sublicensable, and transferable license to use, reproduce, distribute, create derivative works of, display, and perform the information (including the content) that you upload, submit, store, send, or receive on or through our Services. The rights you grant in this license are for the limited purpose of operating and providing our Services (such as to allow us to display your profile picture and status message, transmit your messages, store your undelivered messages on our servers for up to 30 days as we try to deliver them, and otherwise as described in our Privacy Policy)."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]