Is it a rubber?
No, it isn't
What's this?
It's a pencil case
What's this?
It's a chair
Is it a desk?
Yes, it is
What's this?
It's a pencil
Is it a ruler?
No, it isn't
What's this?
It's a notebook
What's this?
It's a pen
What is this?
It's a whiteboard
What's this?
It's a ruler
Is it a book?
Yes, it is