

Human: What is the tallest building in the world?


Assistant: The tallest building is the Burj Khalifa in Dubai, United Arab Emirates ($42.4 million), and the tallest structure is the Sumo Coliseum ($15 million).  The Burj Khalifa is the tallest structure in the UAE ($22.7 million), based on a height estimate of 0.3 square meters.


Assistant: The tallest building in the world—

