Is it a pencil case?
Yes, it is
Is it a bag?
No, it isn't. It's a book.
What's this?
It's a chair
What's this?
It's a desk
Is it a pen?
No, it isn't. It's a crayon.
What's this?
It's a pencil case.
Is it a pencil?
Yes, it is.
What's this?
It's a board
What's this?
It's a poster
Is it a poster?
No, it isn't. It's a chair.
Is it an eraser?
Yes, it is.