Problem: What are the most important words?
A matador is fighting a bull in an arena.
Answer: arena, bull, matador

Problem: What are the most important words?
the scent of rosemary has been shown to help improve cognitive performance in a new study .
Answer: help, improve, performance

Problem: What are the most important words?
Someone stares ahead, avoiding his gaze.
Answer:
avoid, gaze, stare