Problem: What are the most important words?
Two zebra standing next to each other on a hillside.
Answer: hillside, stand, zebra

Problem: What are the most important words?
Two trains are traveling down the tracks with large buildings behind them.
Answer: building, track, travel

Problem: What are the most important words?
A hotel bed that is turned down with a large headboard.
Answer:
bed, headboard, turn