Problem: What are the most important words?
A taxi pulls over to the curb; they walk over to it.
Answer: curb, pull, taxi, walk

Problem: What are the most important words?
The baby calf is suckles its mother grazing in the pasture.
Answer: calf, mother, pasture

Problem: What are the most important words?
An orchestra is playing for construction workers as they fix a room with a damaged ceiling.
Answer:
damage, fix, worker