title: List of waterfalls in Yellowstone National Park
context: Yellowstone National Park contains at least 45 named waterfalls and cascades, and hundreds more unnamed, even undiscovered waterfalls over 15 feet (4.6m) high.  The highest plunge type waterfall in the park is the lower Falls of Yellowstone Falls at 308 feet (94m).  The highest horsetail type is Silver Cord Cascade at 1,200 feet (370m).
question: What is the tallest waterfall in Yellowstone National Park?
answers: Silver Cord Cascade