A man scales a large rock wall.
a man scales the rock wall
A man behind the rock wall is getting scales.
exists e1 s1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_scale(e1) & n_wall(x2) & of(x2,x3) & n_rock(x3) & a_large(s1) & Theme(s1,x2) & n_man(x1))
exists e1 x1 x2 x3.(n_wall(x2) & of(x2,x3) & n_rock(x3) & Theme(e1,x2) & Actor(e1,x1) & v_scale(e1) & n_man(x1))