Input: Identify the most salient words:

armed force directs the pilots of a helicopter after releasing automobile model

Output: force
helicopter
release

Input: Identify the most salient words:

ship retuning ready to transport fresh cargo to the fields .

Output: cargo
ship
transport

Input: Identify the most salient words:

A zebra is grazing in the grass near rocks.

Output: grass
graze
rock
zebra

Input: Identify the most salient words:

green boat on the lake near jetty

Output:
boat
jetty
lake