Input: Identify the most salient words:

rusty spoked wagon wheel from a covered wagon in the old west

Output: cover
wagon
wheel

Input: Identify the most salient words:

Gothic tower with a clock that reads 3:20.

Output: clock
read
tower

Input: Identify the most salient words:

glaciers carve out a deep valley in the mountains

Output: glacier
mountain
valley

Input: Identify the most salient words:

Three bicyclists are performing maintenance on their bikes.

Output:
bike
maintenance
perform