A woman is looking over a ledge.
A woman is on the roof of a building looking down.
Just because a woman is looking over a ledge it does not mean she is on the roof.
exists e1 x1 x2.(over(e1,x2) & n_ledge(x2) & Actor(e1,x1) & v_look(e1) & n_woman(x1))
exists p1 x1 x2.(n_roof(x2) & exists e1 s1 x3 x4.(on(x1,x2) & of(x2,x3) & a_down(s1) & Manner(e1,s1) & Actor(e1,x4) & v_look(e1) & (x3 = x4) & n_building(x3)) & n_woman(x1))