Problem: What are the most important words?
An unmade bed with the comforter pushed down and a pillow pushed down in the middle
Answer: bed, comforter, middle, pillow

Problem: What are the most important words?
Multi container train at switching junction on tracks.
Answer: switch, track, train

Problem: What are the most important words?
portrait of a young man wearing blazer and chains
Answer:
chain, portrait, wear