A woman looking out a window.
A man hides behind the wall
A woman is not a man. If one is hiding, one is not looking out a window.
exists e1 x1 x2 x3.(a_topic(x1) & out(e1,x3) & n_window(x3) & Actor(e1,x2) & v_look(e1) & (x1 = x2) & n_woman(x1))
exists e1 x1 x2.(n_wall(x2) & behind(e1,x2) & Actor(e1,x1) & v_hide(e1) & n_man(x1))