There are two chairs....... the table.
Around / next to
There's a bag ...... the desk.
under
There's a floor lamp ..... sofa.
next to
There are books ....... the bookcase.
on
There is a desk ...... two chairs.
between
There are two papers ......... the book, pens and the lamp.
among
There are two sofas......... the living room.
in
There is a picture ..... the wall.
on
There's a book ...... the desk.
on
There is a window ........ the sofa.
behind