Problem: What are the most important words?
i think that the reader should enrich what he is reading .
Answer: read, reader, think

Problem: What are the most important words?
Riders on colorful motorcycles lean into a turn on a racetrack.
Answer: lean, motorcycle, rider, turn

Problem: What are the most important words?
a woman in a good mood smells a flower .
Answer:
flower, mood, smell