What is this?
A boat
What is this?
The subway
What is this?
A ship
What is this?
A bicycle
What is this?
A scooter
What are they?
They are cars.
What is this?
A truck
What is this?
A rocket
What is this?
A train
What is this?
A helicopter
What is this?
A taxi
What is this?
A bus
What is this?
An airplane