A child painting a picture.
a kid is painting
A child painting is hanging on the wall.
exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_paint(e1) & n_picture(x3) & (x1 = x2) & n_child(x1))
exists p1 x1.(exists x2.((x1 = x2) & n_painting(x2)) & n_kid(x1))