Problem: What are the most important words?
Blue plate with roasted broccoli, carrots and cauliflower.
Answer: carrot, cauliflower, plate

Problem: What are the most important words?
Train coming down the tracks with engineer visible and lots of black smoke billowing upward
Answer: billow, come, smoke, track

Problem: What are the most important words?
the warm colors of the sunrise are reflected in the clouds over mountain .
Answer:
mountain, reflect, sunrise