Input: Identify the most salient words:

peace keeping soldiers observing the border from the side

Output: border
observe
soldier

Input: Identify the most salient words:

a cloud of pollen rises from spruce trees .

Output: cloud
rise
tree

Input: Identify the most salient words:

cat lying down next to the suitcase

Output: cat
lie
suitcase

Input: Identify the most salient words:

A giraffe standing in grassy area next to rocks and trees.

Output:
area
giraffe
rock
tree