Problem: What are the most important words?
a plane caught fire late friday afternoon after its landing gear malfunctioned as the plane arrived .
Answer: catch, fire, plane

Problem: What are the most important words?
anglers take to the lake in rented boats on thursday .
Answer: boat, lake, rent

Problem: What are the most important words?
this meal was served on the inaugural flight .
Answer:
flight, meal, serve