Can you ride a bike?
...
What is she doing?
She's flying a plane.
What is he doing?
He's riding a scooter.
What is the cow doing?
It's riding a bike.
Who is sailing the boat?
The rabbit
What is the cat doing?
It's driving a train.
Who is riding the scooter?
The sheep
Is the dog driving a bus?
Yes, it is.
Are the cats sailing a boat?
Yes, they are.
What is the elephant doing?
It's driving a bus.