A woman looking outside a window.
She is looking at a bird
A She looking at a bird isn't always a woman looking outside a window.
exists e1 x1 x2 x3.(a_topic(x1) & outside(e1,x3) & n_window(x3) & Actor(e1,x2) & v_look(e1) & (x1 = x2) & n_woman(x1))
exists e1 x1.(at(e1,x1) & n_bird(x1) & Actor(e1,x1) & v_look(e1) & n_female(x1))