Problem: What are the most important words?
Book lying open on desk with keyboard and mouse
Answer: keyboard, lie, mouse

Problem: What are the most important words?
Two hotdogs on bread with mustard, relish and onions.
Answer: hotdog, mustard, onion, relish

Problem: What are the most important words?
A lot of ships surrounding a pier on the water.
Answer:
ship, surround, water