A television with a picture of a girl on it.
A screen showing a program with a boy.
The first sentence is a girl, the second is a boy on the screen.
exists x1 x2 x3.(a_topic(x1) & with(x1,x2) & of(x2,x3) & on(x3,x1) & n_thing(x1) & n_girl(x3) & n_picture(x2) & n_television(x1))
exists e1 x1 x2 x3 x4.(a_topic(x1) & with(e1,x4) & n_boy(x4) & Theme(e1,x3) & Actor(e1,x2) & v_show(e1) & n_program(x3) & (x1 = x2) & n_screen(x1))