Artist painting on a canvas.
A woman is painting flowers.
just because theres a canvas doesn't mean you're painting flowers.
exists s1 x1 x2.(a_topic(x1) & on(x1,x2) & n_canvas(x2) & n_painting(x1) & a_artist(s1) & Theme(s1,x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_paint(e1) & n_flower(x2) & n_woman(x1))