Input: Identify the most salient words:

a staff explaining the situation to students during the exhibition .

Output: exhibition
explain
student

Input: Identify the most salient words:

A giant clock says it is 25 minutes after two.

Output: clock
minute
say

Input: Identify the most salient words:

Drenched by the rain, he stares at them with window glides up.

Output: rain
stare
window

Input: Identify the most salient words:

a surgeons looking over a lying patient in an operating room .

Output:
lie
look
patient
room
surgeon