The phone is ON / IN Anna's hand.
in
The monster is BETWEEN / BEHIND Anna.
behind
The books are BEHIND / NEXT TO the small lamp.
next to
The mat is IN FRONT OF / ON the monster
in front of
The big lamp is UNDER / NEXT TO. the white door.
next to
The table is UNDER / ON the mirror.
under
The chair is IN / BETWEEN the table and the blue door.
between