Is this a pen?
No,it isn't
What's this?
It's a pencil case
Is this an eraser?
Yes,it is
What are these?
These are books
What color is it?
It's red
What color is it?
It's blue
What's this?
It's a paint box
What's this?
It's a bag
What's this?
It's a ruler
What's this?
It's a pencil sharpener
What's this?
It's a glue stick
What's this?
It's a pen
What's this?
It's a bookcase
What's this?
It's an eraser
Is this a pencil case?
No,it isn't
What's this?
It's a pencil
What's this?
It's a folder