Input: Identify the most salient words:

flags fly at half mast in memory of football player

Output: flag
fly
mast
player

Input: Identify the most salient words:

view over listed site and islamic place of worship

Output: list
site
view
worship

Input: Identify the most salient words:

The rider is winning his race.

Output: race
rider
win

Input: Identify the most salient words:

fighter on the flight deck of ship

Output:
deck
fighter
ship