Man painting on the street.
A man painting a picture of a car on the street.
Just because a man is painting on the street doesn't mean the man is painting a picture of a car.
exists x1 x2 x3.(n_street(x3) & a_topic(x1) & on(x1,x3) & n_painting(x1) & of(x1,x2) & n_man(x2))
exists e1 x1 x2 x3 x4 x5.(n_street(x5) & a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_paint(e1) & of(x3,x4) & on(x4,x5) & n_car(x4) & n_picture(x3) & (x1 = x2) & n_man(x1))