Is there a table in front of the sofa?
Yes, there is.
Is there a clock behind the sofa?
No, there isn't. There's a clock next to the sofa.
Is there a computer behind the sofa?
No, there isn't. There's a bookshelf behind the sofa.
Is there a clock next to the computer?
No, there isn't.
Is there a bookshelf behind the bed?
Yes, there is.
Is there a computer on the table?
Yes, there is.
Is there a clock behind the computer?
No, there isn't. There's a clock next to the computer.
Is there a bed under the table?
No, there isn't. There's a table under the bed./ There's a bed on the table.
Is there a clock next to the sofa?
Yes, there is.
Is there a bookshelf next to the bed?
No, there isn't. There's a bookshelf in front of the bed.