Problem: What are the most important words?
A refrigerator has papers and magnets on it.
Answer: magnet, paper, refrigerator

Problem: What are the most important words?
A boy is playing the violin with a man accompanying him on the piano.
Answer: accompany, piano, violin

Problem: What are the most important words?
A bathroom with checkered walls with a toilet and bidet.
Answer:
bathroom, bidet, toilet, wall