Input: Identify the most salient words:

a city is a monumental building in the new romantic style with decorative detail in art period

Output: building
city
detail

Input: Identify the most salient words:

things horses do ... sometimes they need firefighters to rescue them from a well .

Output: firefighter
horse
rescue

Input: Identify the most salient words:

A desk scene with a tower, monitor and keyboard.

Output: keyboard
monitor
tower

Input: Identify the most salient words:

A very old boxcar on an old train parked in a yard.

Output:
park
train
yard