Benson trusts the best way to truly escape from his humdrum life is on a sport-style motorcycle. He has nearly saved enough money to buy himself one. After studying all the info he can get his hands on about motorcycles, he understands that he likes the following bikes the Yamaha R-1 (Japanese), the Buell Thunderbolt (American), the Ducati 999 (Italian), BMW K1200 (German), and Kawasaki Ninja 10 (Japanese). After more research Benson decides that merely Japanese bikes will be fast enough for him. The Yamaha and the Kawasaki make up Benson's __________.