Input: Identify the most salient words:

long shot of a windmill in a field

Output: field
shot
windmill

Input: Identify the most salient words:

An aging rock band has reunited for their last concert performance.

Output: band
performance
reunite

Input: Identify the most salient words:

A little boy in his clothes running through a fountain and getting soaked.

Output: fountain
run
soak

Input: Identify the most salient words:

time lapse of a drive through us census designated place

Output:
census
designate
drive
place