Problem: What are the most important words?
anyone who says sunshine brings happiness has never danced in the rain
Answer: anyone, bring, dance, happiness, sunshine

Problem: What are the most important words?
mother teaches little boy to swim in the sea .
Answer: sea, swim, teach

Problem: What are the most important words?
classic old style scooters stand parked on a roadside in the city
Answer:
park, roadside, scooter