Problem: What are the most important words?
a tabby cat cleaning its paw with its tongue
Answer: cat, clean, tongue

Problem: What are the most important words?
i need to remember this website when we buy the new rug for the living room .
Answer: buy, need, remember

Problem: What are the most important words?
famous harbour is lit up by fireworks as the city celebrates the arrival
Answer:
arrival, celebrate, firework