Input: Identify the most salient words:

comparing the size of ship with transit vehicle type

Output: compare
ship
type

Input: Identify the most salient words:

man from behind on the terrace overlooking the city

Output: city
overlook
terrace

Input: Identify the most salient words:

medicine spilling from the bottle

Output: bottle
medicine
spill

Input: Identify the most salient words:

coach is given a guard of honour from players

Output:
guard
honour
player