Input: Identify the most salient words:

The car moves faster as they speed off the highway.

Output: car
highway
speed

Input: Identify the most salient words:

cruise ship about to pass through tourist attraction assisted by tug

Output: assist
ship
tug

Input: Identify the most salient words:

the wing of airplane surrounded by gray fog of clouds

Output: airplane
cloud
fog

Input: Identify the most salient words:

a ship sits by a pier while being loaded with containers

Output:
pier
ship
sit