Problem: What are the most important words?
a crew of tv drama arrive in a boat opposite tourist attraction .
Answer: arrive, attraction, boat

Problem: What are the most important words?
flock of sheep in a corral under the tree
Answer: flock, sheep, tree

Problem: What are the most important words?
fireworks light up the sydney harbour bridge and expressionist structure as part of new year celebrations
Answer:
bridge, part, structure