Problem: What are the most important words?
A man is prodding a cat that is sleeping on top of an ATM machine.
Answer: cat, machine, top

Problem: What are the most important words?
wild mushrooms grow on a log .
Answer: grow, log, mushroom

Problem: What are the most important words?
red deer stag takes a mud bath by wallowing in mud during the rut in autumn
Answer:
autumn, mud, rut, stag