Input: Identify the most salient words:

a team of hikers approach the summit .

Output: approach
hiker
summit

Input: Identify the most salient words:

dog trying to win medal

Output: dog
medal
win

Input: Identify the most salient words:

demolition of a building damaged by fire

Output: building
demolition
fire

Input: Identify the most salient words:

a soldier is seen as she returns to her base after an operation to deliver supplies at their base

Output:
deliver
soldier
supply