Input: Identify the most salient words:

surgeon and his team working on a patient in a surgical room

Output: room
surgeon
team
work

Input: Identify the most salient words:

Three giraffes gather to eat from branches in a zoo.

Output: branch
eat
giraffe
zoo

Input: Identify the most salient words:

A train traveling down train tracks next to two buildings.

Output: building
track
train
travel

Input: Identify the most salient words:

Two red trays of food that includes carrots, grapes and meat.

Output:
carrot
food
include
tray