Problem: What are the most important words?
the beekeeper collects the swarm into a trap for the bees
Answer: bee, beekeeper, collect, swarm

Problem: What are the most important words?
football team unveils a new statue of olympic athlete at the stadium
Answer: stadium, statue, team

Problem: What are the most important words?
crossing a bridge on the main highway through rainforest
Answer:
bridge, cross, rainforest