What is it?
It's a bus.
How many wheels does it have?
Zero.
What is it?
It's a car.
What is it?
It's a plane.
What is it?
It's a bike.
How many wheels does it have?
Two.
How many wheels does it have?
Four.
What is it?
It's a boat.
What is it?
It's a train.
How many wheels does it have?
Four.