Input: Identify the most salient words:

school district has announced plans to close school and middle school at the end of the spring semester .

Output: announce
close
district
school

Input: Identify the most salient words:

A dog lays on a woman on a sofa.

Output: dog
lay
sofa

Input: Identify the most salient words:

image titled make an engine

Output: engine
image
title

Input: Identify the most salient words:

a city is a steep cobbled street as used in the famous adverts

Output:
city
cobble
street