Emily is a giant human on a different planet. Emily lives in a world inhabited by giant humans with the same name as Earth. You and Emily are on different planets. You meet Emily by chance on a chat site. You will be very surprised to learn that you are from different planets. You don't know each other's height when chatting on the chat site. Since Emily is a giant 200 meters tall, she thinks you are a giant when she estimates your height. Emily guesses if you are 200 meters.