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