Dr. Evil presents the sound of a buzzer to his pet rabbit, and he follows it with the delivery of a small electric shock. After repeated pairings of the buzzer and shock, the rabbit learns to fear the sound of buzzers. Dr. Evil then proceeds to extinguish the rabbit’s fear of buzzers. Now suppose that, after extinction, Dr. Evil decides to present the buzzer and shock to the rabbit once again. After only one pairing, the rabbit will demonstrate __________ and fear the buzzer again.