Input: Identify the most salient words:

looked up how to tell the difference between a crow and a raven .

Output: crow
difference
tell

Input: Identify the most salient words:

sunrise over the mountain and lake

Output: lake
mountain
sunrise

Input: Identify the most salient words:

an aircraft moves into position to receive fuel from cargo aircraft

Output: aircraft
fuel
move
position
receive

Input: Identify the most salient words:

a sprout of broccoli growing out of the ground

Output:
broccoli
ground
grow