Input: Identify the most salient words:

the fire raged for a number of hours before being brought under control

Output: bring
control
fire
hour

Input: Identify the most salient words:

A white bowl of soup containing broccoli is near some French bread.

Output: bowl
bread
broccoli
soup

Input: Identify the most salient words:

boat converted into building function and restaurant

Output: boat
build
function

Input: Identify the most salient words:

frame of honey bees from a beehive being inspected by a beekeeper

Output:
bee
beehive
beekeeper
inspect