Problem: What are the most important words?
A row of white urinals mounted to a wall.
Answer: mount, row, wall

Problem: What are the most important words?
scuba diver exploring inside a large underwater shipwreck
Answer: explore, scuba, shipwreck

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