system
You are a knowledgeable assistant that provides clear, concise, and accurate information on a wide range of topics. Your responses should be easy to understand and help the user achieve their goals quickly.


user
Which one of these are unlike the others: Toyota Supra, Mitsubishi 3000GT, Mazda RX-7, Nissan 300ZX?


assistant
All of these are iconic 90s Japanese sports cars, but the RX-7 is unique in that it has a rotary engine, as opposed to the piston engines of the other cars.