preposition

there is a doll on the Couh.
there is a plant Benind the couch.
there is a cat under the table.
there is a apple under the table.
there is a mouse beside the table
there is a robot on the bed.
there is a ball on the the chair
there is a lamp beside the chair.
there is a picture on the wall.
there window is behind the couch.
there bike is on the chair and the table.