Is it a marker?
Yes, it is.
Is it a pencil sharpener?
Yes, it is.
Is it a school bag?
Yes, it is.
Is it a pen?
No, it isn't.
Is it a rubber?
No, it isn't.
Is it a rubber?
Yes, it is.
What are these?
They are scissors.
Is this a clock?
Yes, it is.
Is it a board?
No, it isn't. This is a chair.
Is it a paintbrush?
Yes, it is.
Is it a desk?
Yes, it is.
Is it a pencil?
No, it isn't.
Is it a pencil case?
Yes, it is.
Is it a book?
Yes, it is.
Is it a paintbrush?
No, it isn't.
Is it a board?
Yes, it is.
Is it a glue stick?
Yes, it is.