What is it?
It's a board.
What is it?
It's a clock.
Is this a clock?
Yes, it is.
What is it?
It's a door.
What is it?
It's a chair.
Is this a chair?
No, it's not.
Is this a door?
No, it's not.
What is it?
It's a CD player.
What is it?
It's a desk.
Is this a trash can?
Yes, it is.
What is it?
It's a trash can.
What is it?
It'a computer.
Is this a computer?
No, it's not.
Is this a desk?
Yes, it is.