Is this an old rubber?
No, it isn't.
Is it a new pen?
Yes, it is.
Is this a new teddy bear?
Yes, it is.
WHAT IS THIS?
IT'S A PEN.
WHAT IS THIS?
IT'S A BED.
What is this?
It's a glue.
Is he a student?
No, he isn't.
What is this?
This is paint.
Is she a teacher?
No, she isn't.
Is this a new backpack?
Yes, it is.
What is this?
This is a paintbrush.
What is it?
It's a ball.