Problem: What are the most important words?
soldiers participate in a ceremony hosted by armed force which was intended to officially
Answer: ceremony, force, host

Problem: What are the most important words?
crocodiles at the zoo exposing their mouths and sharp teeth
Answer: crocodile, mouth, zoo

Problem: What are the most important words?
A man receiving a waxing treatment initially jumps, but then laughs.
Answer:
laugh, receive, wax