Input: Identify the most salient words:

A tray containing five different flavors of donuts.

Output: contain
donut
tray

Input: Identify the most salient words:

spider waiting for the prey

Output: prey
spider
wait

Input: Identify the most salient words:

a climber scales a sea cave

Output: cave
climber
scale

Input: Identify the most salient words:

automobile make offers automobile model to golfer

Output:
automobile
model
offer