Input: Identify the most salient words:

castle looks down on the town

Output: castle
look
town

Input: Identify the most salient words:

A white kitty cat with black spots snuggling against a humans leg.

Output: cat
leg
snuggle

Input: Identify the most salient words:

Sheep are grazing in a farm field overlooking country land.

Output: graze
overlook
sheep

Input: Identify the most salient words:

A puppy is retrieving a toy outside

Output:
puppy
retrieve
toy