Problem: What are the most important words?
Three horses are pulling a wagon covered in hay
Answer: hay, horse, wagon

Problem: What are the most important words?
this is one of many beautiful tunnels located inside national park which is part .
Answer: locate, park, part

Problem: What are the most important words?
a protester is seen being detained by police during the violent clashes on saturday
Answer:
clash, detain, police, protester