Is there an apple by the book?
Yes, there is
Is there a ruler on the bag?
No, there isn't
Is there a dog under the table?
Yes, there is.
Is there a teddy bear on the table?
Yes, there is
Is there a girl by the table?
No, there isn't
Is there a dog under the sofa?
No, there isn't
Is there a cat in the box?
Yes, there is
Is there a ball in the chair?
No, there isn't
Are there balls by the bag?
Yes, there are
Are there balls on the bag?
No, there aren't.
Are there cats on the sofa?
Yes, there are
