Input: Identify the most salient words:

commercial jet airplane moving at the airport

Output: airplane
airport
move

Input: Identify the most salient words:

art evokes the mystery without which the world would not exist .

Output: art
evoke
exist
mystery
world

Input: Identify the most salient words:

silhouette of a tree against the moon

Output: moon
silhouette
tree

Input: Identify the most salient words:

the sun coming out from behind a cloud and flaring to fill the frame with bright white light

Output:
come
fill
flare
light
sun