Input: Identify the most salient words:

An airplane flies over a city in the day.

Output: airplane
day
fly

Input: Identify the most salient words:

coal brought is ready to be loaded onto a ship bound for country in the special economic zone .

Output: bind
bring
country
ship
zone

Input: Identify the most salient words:

beat places to visit as a single traveler

Output: place
traveler
visit

Input: Identify the most salient words:

four pizzas on a counter near an oven.

Output:
counter
oven
pizza