What are they?
They are stairs.
What is it?
It's a swimming pool.
What is it?
It's a wall.
What is it?
It's a window.
Where is the ball?
The ball is in the box.
Where is the ball?
It's between two boxes.
Where is the ball?
It's under the box.
Where is the ball?
It's next to the box.
Where is the ball?
It's in front of the box.
