Input: Identify the most salient words:

the custom made windows let in tons of natural light into a city .

Output: city
let
light

Input: Identify the most salient words:

A big giraffe is looking over a big gate.

Output: gate
giraffe
look

Input: Identify the most salient words:

soldiers participate in training on the upper deck of a ship .

Output: participate
soldier
training

Input: Identify the most salient words:

An unmarked van with trailer in tow is pulled over.

Output:
pull
trailer
van