Input: Identify the most salient words:

a selection of hats on sale .

Output: hat
sale
selection

Input: Identify the most salient words:

Packaged bananas for sale sitting in a basket.

Output: banana
basket
sit

Input: Identify the most salient words:

Railroad yard with trains and engines moving on tracks.

Output: engine
track
yard

Input: Identify the most salient words:

the cherry blossoms have also started to bloom at the nearby park .

Output:
bloom
blossom
park