Input: Identify the most salient words:

floating autumn leaf on the water surface of pond

Output: float
leaf
pond

Input: Identify the most salient words:

The fire glows gold on her young face.

Output: face
fire
glow

Input: Identify the most salient words:

The umbrella is hanging up on the post.

Output: hang
post
umbrella

Input: Identify the most salient words:

an old headboard on the wall adds some interest to our garden

Output:
add
headboard
wall