Input: Identify the most salient words:

A restroom with a toilet, sink and mirror

Output: mirror
restroom
sink
toilet

Input: Identify the most salient words:

Urban train traveling down the tracks of a city.

Output: city
train
travel

Input: Identify the most salient words:

remains of buildings usually submerged beneath the waters

Output: building
submerge
water

Input: Identify the most salient words:

politician lines up his putt as he plays a round of golf with politician

Output:
golf
line
putt
round