Problem: What are the most important words?
A dinner plate holds pork, potatoes, broccoli and carrots.
Answer: broccoli, plate, pork

Problem: What are the most important words?
a deep blue lake before steep cliffs and a bright sky .
Answer: cliff, lake, sky

Problem: What are the most important words?
souvenirs for sale on a stall
Answer:
sale, souvenir, stall