Problem: What are the most important words?
a bowl of lightly boiled fresh broccoli topped with melting butter
Answer: boil, broccoli, butter

Problem: What are the most important words?
burning sky on the city
Answer: burn, city, sky

Problem: What are the most important words?
A man mixes a salad and serves a couple of women at an event.
Answer:
mix, salad, serve