Input: Identify the most salient words:

Passengers are preparing to load onto a train.

Output: load
passenger
train

Input: Identify the most salient words:

a flock of goat and sheep is grazing on a hill above event

Output: goat
graze
sheep

Input: Identify the most salient words:

public beach i protected by a reef

Output: beach
protect
reef

Input: Identify the most salient words:

georgian structure built is located

Output:
build
locate
structure