What's this?
A sofa.
Where is the guitar?
The guitar is next to the bookshelf./ The guitar is beside the bookshelf.
What's this?
It's a sink.
What are they hitting?
A cushion.
What is ____?
that
What's this?
It's an armchair.
What's this?
It's a bookshelf.
Where is the man?
He's on the sofa.
Where is the cat?
The cat is on the bench. / The cat is under the shelf.
Where is the rug?
Under the sofa. / On the floor.
Where is the lamp?
The lamp is above the sofa/ next to the sofa.