Is there a kitten?
Yes, there is.
Is there a box?
Yes, there is.
Is there an ant?
Yes there is.
Is there a fox?
No, there isn't
Is there an ox?
Yes, there is
Is there a kite?
No, there isn't
Is there an apple?
No, there isn't
Is there a square?
No, there isn't
Is there a mango?
Yes, there is