Input: Identify the most salient words:

Workers stack blue crates at a dock and seagulls try to see inside them.

Output: crate
dock
seagull

Input: Identify the most salient words:

student receiving a failed exam in a classroom

Output: classroom
receive
student

Input: Identify the most salient words:

Cows are on either side of a fence in a green pasture.

Output: cow
fence
pasture
side

Input: Identify the most salient words:

bee collecting pollen from dahlia in a park

Output:
bee
collect
park
pollen