Input: Identify the most salient words:

entrance from the left of the building

Output: building
entrance
left

Input: Identify the most salient words:

people shield themselves from snow as a blizzard arrives in the neighborhood .

Output: arrive
blizzard
neighborhood
shield
snow

Input: Identify the most salient words:

tree gnawed by a beaver along country

Output: beaver
gnaw
tree

Input: Identify the most salient words:

a pair of white swans eat grass near the shore

Output:
grass
shore
swan