The bus is faster than the bike, but the fastest is the car.
The bus is more polluting than the bike, but the most polluting is the car.
The car is bigger than the bike, but the biggest is the bus.
The bus is slower than the car, but the slowest is the bike.
The car is higher than the bike but the highest is the bus.
The bus is more expensive than the bike, but the most expensive is the car.
