Sarah is stuck behind a car, which is aversive to her and she wants it removed. She honks her horn at the car and it moves out of the way (it's taken away). She knows from experience that honking her horn like this gets ride of these irritating cars, thus she continues to do it. This is an example of
A) positive reinforcement
B) negative reinforcement
C) both A and B
D) none of the above
Answer: B