Onlookers view picture with wires and lights.
The picture is on a wall.
Viewing a picture does not imply the picture is on a wall.
exists e1 x1 x2 x3 x4 x5.(with(e1,x3) & subset_of(x5,x3) & n_light(x5) & subset_of(x4,x3) & n_wire(x4) & Theme(e1,x2) & Actor(e1,x1) & v_view(e1) & n_picture(x2) & n_onlooker(x1))
exists p1 x1.(n_picture(x1) & exists x2.(on(x1,x2) & n_wall(x2)))