Input: Identify the most salient words:

a whale breaching off island

Output: breach
island
whale

Input: Identify the most salient words:

Two large dogs laying on an orange sofa.

Output: dog
lay
sofa

Input: Identify the most salient words:

He reaches into his cubicle, takes out his keys and reenters the room.

Output: key
reach
take

Input: Identify the most salient words:

shut down southbound was left closed behind the accident on wednesday in a city

Output:
city
leave
southbound