Input: Identify the most salient words:

passengers arriving to the terminal at the airport

Output: airport
passenger
terminal

Input: Identify the most salient words:

women carrying flowers in the procession

Output: carry
flower
procession

Input: Identify the most salient words:

Cows reach out of their stalls to eat hay.

Output: cow
eat
hay
stall

Input: Identify the most salient words:

group of doctors and nurses standing in a hospital

Output:
doctor
hospital
stand