Input: Identify the most salient words:

clouds disappearing in the sky

Output: cloud
disappear
sky

Input: Identify the most salient words:

a small mushroom grows in moss in a summer green forest

Output: forest
moss
mushroom

Input: Identify the most salient words:

Trains pulling into the trains station on an overcast day

Output: day
pull
station

Input: Identify the most salient words:

many hands connecting for help in a spiral under a sky

Output:
connect
hand
sky