Input: Identify the most salient words:

A dog is staring at itself in a mirror.

Output: dog
mirror
stare

Input: Identify the most salient words:

a man being handed a white bowl of soup

Output: bowl
hand
soup

Input: Identify the most salient words:

People are working together to build some sort of structure

Output: build
structure
work

Input: Identify the most salient words:

protesters compare politician to military commander in a protest .

Output:
commander
protest
protester