Are there two pillows on the armchair?
Yes, there are.
Where is the dog?
The dog is on the box
Is there a chair under the table?
No, there isn't
Where is the dog?
The dog is on de bed
Where is the dog?
The dog is under the box.
Is there a ball under the table?
Yes, there is.
Is the dog under the chair?
No, it isn't.
Where is the dog?
The dog is in the box.