SCP: The "Living" Room

The "Living" Room is a non-humanoid SCP, that is to be contained in a room that is ~~~ by ~~~ by ~~~. When walked inside, the subject notices the room is made of flesh. He's look around and see random furniture, lamps, tables, all out of place. Next the subject will feel warm and start sinking. Then the subject will sink in entirely and a couch, chair, lamp, or something else would pop out.