Problem: What are the most important words?
The people waited for the exit to open once the movie was over
Answer: movie, open, wait

Problem: What are the most important words?
An Emirates commercial plane is preparing to taxi down the runway at an airport on a cloudy day.
Answer: airport, plane, prepare, runway

Problem: What are the most important words?
A small airplane is on a runway near a van.
Answer:
airplane, runway, van