Problem: What are the most important words?
clouds in the sky over the forest and field
Answer: cloud, field, forest, sky

Problem: What are the most important words?
athlete takes a breather during his workout at gym in preparations for his fight
Answer: athlete, fight, gym, preparation, workout

Problem: What are the most important words?
the home is split up into units with bedrooms and baths divided up among them
Answer:
bath, bedroom, unit