An artist paints clouds onto a canvas.
a man paining his masterpiece
Although the artist is painting, it does not imply it is his masterpiece.
exists e1 x1 x2 x3.(onto(e1,x3) & n_canvas(x3) & Theme(e1,x2) & Actor(e1,x1) & v_paint(e1) & n_cloud(x2) & n_artist(x1))
exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_pain(e1) & n_masterpiece(x3) & of(x3,x1) & n_male(x1) & (x1 = x2) & n_man(x1))