What is it?
It's a ruler.
What is it?
It's a pencil.
What is it?
It's a backpack.
What is it?
It's a book.
What is it?
It's an eraser.
Is it a pencil?
It's a pen. It isn't a pencil.
What is it?
It's a chair.
Is it a book?
It's a notebook. It isn't a book.
Is it a chair?
It's a desk. It isn't a chair.
What is it?
It's a pencil case.