Input: Identify the most salient words:

sale of souvenirs and painting on street .

Output: sale
souvenir
street

Input: Identify the most salient words:

the golden temple of ethnicity in fiction

Output: ethnicity
fiction
temple

Input: Identify the most salient words:

A train is blowing steam while going down the track.

Output: blow
steam
track
train

Input: Identify the most salient words:

a boat anchored to a buoy with a rough sea

Output:
anchor
buoy
sea