Problem: What are the most important words?
interesting things that happen at weddings
Answer: happen, thing, wedding

Problem: What are the most important words?
view of causes of death going out of the head of a bored attractive bold man geek with glasses
Answer: cause, death, glass, head, view

Problem: What are the most important words?
red squirrel feeding on seeds and nuts while perched on the top of a decaying tree stump
Answer:
nut, seed, squirrel, stump, top