There is a red chair
Yes, there is
There are six girls in the classroom
No, there aren't
There are five boys in the classroom.
Yes, there are.
There is Monty on the board
No, there isn't
The ruler is blue
No, it isn't
The teacher is sad
No, she isn't
The cupboard is green
Yes, it is!
There is a pink desk
No, there isn't