Input: Identify the most salient words:

A young man is shown jumping over a barrel in a parking lot with his skateboard.

Output: barrel
jump
skateboard

Input: Identify the most salient words:

A train approaching a point where tracks merge.

Output: merge
track
train

Input: Identify the most salient words:

politician speaks at an event celebrating holiday .

Output: celebrate
event
holiday
politician

Input: Identify the most salient words:

a relationship between kinds of organisms that benefits both .

Output:
kind
organism
relationship