Input: Identify the most salient words:

Large plates of glazed and powdered donuts on white plates.

Output: donut
plate
powder

Input: Identify the most salient words:

One piece of pizza is missing from the plate.

Output: miss
piece
plate

Input: Identify the most salient words:

seagulls flying above the water and dipping down to feed

Output: feed
fly
water

Input: Identify the most salient words:

an astronaut drifting in space is rescued by a space shuttle orbiting earth

Output:
astronaut
drift
earth
orbit
shuttle