An elderly man paints a picture of a bird.
The man is painting a parrot.
Just because a man paints a picture of a bird does not mean that he paints a parrot.
exists e1 s1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_paint(e1) & of(x2,x3) & n_bird(x3) & n_picture(x2) & n_man(x1) & a_elderly(s1) & Theme(s1,x1))
exists e1 x1 x2.(n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_paint(e1) & n_parrot(x2))