An artist paints clouds onto a canvas.
a human painting
Canvas is used for painting art.
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 s1 x1.(a_topic(x1) & n_painting(x1) & a_human(s1) & Theme(s1,x1))