Problem: What are the most important words?
young female shopper on an escalator in shopping mall
Answer: escalator, mall, shopper

Problem: What are the most important words?
Lots of donuts being processed through a machine.
Answer: donut, machine, process

Problem: What are the most important words?
A pizza that has pepperoni, olives, onion, bell pepper, and mushroom.
Answer:
mushroom, olive, onion, pizza