Input: Identify the most salient words:

Train coming down the tracks with engineer visible and lots of black smoke billowing upward

Output: billow
come
smoke
track

Input: Identify the most salient words:

tabby cat with round eyes walks across the yard

Output: cat
walk
yard

Input: Identify the most salient words:

illuminated orange tent in the forest morning lake at mountains .

Output: illuminate
lake
mountain

Input: Identify the most salient words:

i love the bottom of this cake ... maybe not so much the pink or the crown .

Output:
bottom
cake
love