prepositions

there is doll  on the couch.
 is a ball on the table.
there is an apple under the table.

there is a dog under the table.
there is a car under the couch.
there is a ball on the vase.
there is a lamp on the couch.
there is a picture on the couch.
the window is  behind the couch.
the robot is between the table and the chair.