Input: Identify the most salient words:

road near a cliff facing the sea in winter

Output: cliff
road
sea

Input: Identify the most salient words:

event heads down a city .

Output: city
event
head

Input: Identify the most salient words:

Commuter train stopped on tracks at red light, green light further up the track.

Output: light
stop
train

Input: Identify the most salient words:

a pizza with ham, cheese and green onions

Output:
cheese
onion
pizza