Problem: What are the most important words?
the inventor of dish sold the idea in return for a lifetime supply of chocolate .
Answer: chocolate, idea, inventor, sell, supply

Problem: What are the most important words?
On the dock, a bearded man turns a crank on a movie camera as the ship glides forward.
Answer: dock, glide, ship

Problem: What are the most important words?
a souvenir shop in a city filled with religious figurines alongside childrens toys and games
Answer:
figurine, fill, game, shop, toy