Input: Identify the most salient words:

The hotdog has mustard and bacon on it.

Output: bacon
hotdog
mustard

Input: Identify the most salient words:

tree on the shore of the sea

Output: sea
shore
tree

Input: Identify the most salient words:

modern white train arriving at an empty train station during late night hour

Output: arrive
hour
station
train

Input: Identify the most salient words:

helicopters fly above a city .

Output:
city
fly
helicopter