Input: Identify the most salient words:

a sprout of broccoli growing out of the ground

Output: broccoli
ground
grow

Input: Identify the most salient words:

olives and sun dried tomatoes on sale in the covered market

Output: dry
market
sun
tomato

Input: Identify the most salient words:

nurse with a patient in the hospital

Output: hospital
nurse
patient

Input: Identify the most salient words:

blues artist features on the poster for the movie which he wrote directed and starred

Output:
direct
poster
star
write