Input: Identify the most salient words:

lapse around a tree silhouetted against a storm

Output: lapse
silhouette
tree

Input: Identify the most salient words:

sorts of tomatoes for sale at the market

Output: market
sale
tomato

Input: Identify the most salient words:

Two expired parking meters on a city street.

Output: expire
meter
street

Input: Identify the most salient words:

soldier playing piano in a street

Output:
piano
soldier
street