Input: Identify the most salient words:

Seven hikers trekking across frozen tundra near some mountains.

Output: hiker
mountain
trek

Input: Identify the most salient words:

A pizza that has sauce, tomatoes, cheese and other things on aluminum foil.

Output: cheese
foil
pizza
sauce

Input: Identify the most salient words:

stadium is one of the venues which will host sports league championship event

Output: event
stadium
venue

Input: Identify the most salient words:

Two zookeepers feeding two giraffes in a zoo.

Output:
feed
giraffe
zookeeper