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