This is a bag.
Yes, it is.
This is a bag.
No, it isn't.
This is a bookcase.
No, it isn't.
This is a folder.
Yes, it is.
This is a bookcase.
Yes, it is.
This is a folder.
No, it isn't.
This is a ruler.
Yes, it is.
This is a ruler.
No, it isn't.
This is an eraser.
Yes, it is.
This is a book.
No, it isn't.
This is a pencil.
No, it isn't.
This is a pencil.
Yes, it is.
This is a book.
Yes, it is.
This is an eraser.
No, it isn't.