Input: Identify the most salient words:

an aircraft receives fuel from cargo aircraft .

Output: aircraft
fuel
receive

Input: Identify the most salient words:

A baby calf stands behind some gathered hay.

Output: calf
hay
stand

Input: Identify the most salient words:

sterling silver pendant comes in every letter of the alphabet .

Output: alphabet
come
letter

Input: Identify the most salient words:

Airplanes on a runway and landing at an airport.

Output:
airplane
landing
runway