Problem: What are the most important words?
fur seal lying on rocks by the sea .
Answer: lie, rock, sea, seal

Problem: What are the most important words?
A white plate containing broccoli, potatoes and meat.
Answer: broccoli, contain, meat, plate, potato

Problem: What are the most important words?
A lady is retrieving toasted bagels from an oven.
Answer:
bagel, lady, oven