Input: Identify the most salient words:

water flows down the spillway as the gates open .

Output: flow
gate
water

Input: Identify the most salient words:

A worker searches for the nun that taught him in catholic school.

Output: nun
search
worker

Input: Identify the most salient words:

two cats lying near two remotes on a purple sheets

Output: cat
remote
sheet

Input: Identify the most salient words:

statue of builder inaugurated shortly before military commander entered the city .

Output:
builder
city
enter