Problem: What are the most important words?
when i finally come to terms with the fact that my teddy bear is my best friend .
Answer: bear, come, fact

Problem: What are the most important words?
autumn colors decorate the valley as a stiff wind whips up waves .
Answer: color, decorate, valley

Problem: What are the most important words?
us census designated place on a winter day .
Answer:
census, day, designate, place