Input: Identify the most salient words:

Planes parked near the runway at an airport.

Output: airport
park
plane
runway

Input: Identify the most salient words:

soccer player shouts his instructions from the touchline

Output: instruction
player
shout
touchline

Input: Identify the most salient words:

award winner steers his car during event

Output: car
event
winner

Input: Identify the most salient words:

many tourists walk around roman catholic place of worship

Output:
place
tourist
walk
worship