Problem: What are the most important words?
the road winding along crest of a mountain in autumn
Answer: crest, mountain, road

Problem: What are the most important words?
sunrise over geographical feature category in as a speedboat heads out for a day of fishing .
Answer: day, head, speedboat

Problem: What are the most important words?
A toilet missing its lid is placed in a torn apart room.
Answer:
miss, room, toilet