Input: Identify the most salient words:

biological species on the bees eat pollen

Output: bee
pollen
specie

Input: Identify the most salient words:

one of many cargo ships waiting to dock .

Output: dock
ship
wait

Input: Identify the most salient words:

A room with chairs, a fireplace, a mantle and a couch.

Output: chair
couch
mantle
room

Input: Identify the most salient words:

front of a boeing aircraft on approach to land with landing gear down

Output:
aircraft
approach
boee
front
gear