Problem: What are the most important words?
A colorful vegetable salad with broccoli, carrots, onions, green beans, and peppers.
Answer: bean, onion, pepper

Problem: What are the most important words?
A man is draining old oil out of a vehicle as part of an oil changing process.
Answer: oil, process, vehicle

Problem: What are the most important words?
one of the physical versions of sculpture in a reflecting pool outside modernist structure .
Answer:
pool, reflect, sculpture