Problem: What are the most important words?
A young man is getting a haircut while his friends watch.
Answer: friend, haircut, watch

Problem: What are the most important words?
a turtle hitching a ride on a jellyfish
Answer: hitch, jellyfish, ride

Problem: What are the most important words?
a hedgerow and hay field with blue sky and clouds on a cool spring day
Answer:
cloud, day, field, sky