Input: Identify the most salient words:

A bathroom with an enclosed tub and shower.

Output: bathroom
shower
tub

Input: Identify the most salient words:

grave stone will not be visible in years to come if the tree continues to grow around it

Output: come
tree
year

Input: Identify the most salient words:

politician wore a gown for a state dinner .

Output: dinner
gown
wear

Input: Identify the most salient words:

A worker drives a piece of machinery towards a job site.

Output:
drive
machinery
piece
worker