Is it a notebook?
Yes, it is.
Is it a crayon?
Yes, it is.
Is it a book?
No, it isn't.
What's this?- It's a...
It's a pen.
What's this?- It's a...
It's a pencil case.
What's this?- It's a...
It's a pencil.
Is it a rubber?
No, it isn't.
What's this?- It's a...
It's a backpack.