Problem: What are the most important words?
A red glad vase with red roses on a ledge next to a window.
Answer: ledge, rose, vase

Problem: What are the most important words?
green car moving down the slope .
Answer: car, move, slope

Problem: What are the most important words?
young woman practicing yoga on a platform in water on the lake during misty sunrise in the morning .
Answer:
lake, morning, platform, practice, sunrise