Problem: What are the most important words?
There are two zebras and giraffe outside by the rocks.
Answer: giraffe, rock, zebra

Problem: What are the most important words?
bedroom in padded headboard and clever idea for the canopy
Answer: bedroom, headboard, pad

Problem: What are the most important words?
bridge silhouetted under a stormy sky
Answer:
bridge, silhouette, sky