Problem: What are the most important words?
A hot dog with ketchup, mustard and onions on a bun.
Answer: dog, ketchup, mustard, onion

Problem: What are the most important words?
view from upside down pier with a red pirates ship docked
Answer: dock, pier, ship, view

Problem: What are the most important words?
unmanned spacecraft flies into the shadow of bodies with heliocentric orbit and astronomical discovery .
Answer:
body, fly, orbit