Definition: Given a text passage, come up with an appropriate title for it. The title should accurately represent what the main focus of the passage is. The title of a passage may be present in the first few sentences of the passage and/or be referred to multiple times in the passage. The title should be 1-5 words long.
Input: The Yellowstone Caldera is a volcanic caldera and supervolcano in Yellowstone National Park in the Western United States , sometimes referred to as the Yellowstone Supervolcano . The caldera and most of the park are located in the northwest corner of Wyoming . The major features of the caldera measure about 34 by 45 miles ( 55 by 72 km ) .
Output:
Yellowstone Caldera