A woman on a sidewalk with luggage.
A woman is waiting for a taxi with her luggage.
The woman is not said to be waiting for a taxi.
exists x1 x2 x3.(a_topic(x1) & on(x1,x2) & with(x2,x3) & n_luggage(x3) & n_sidewalk(x2) & n_woman(x1))
exists e1 x1 x2 x3.(for(e1,x2) & with(x2,x3) & n_luggage(x3) & of(x3,x1) & n_female(x1) & n_taxi(x2) & Actor(e1,x1) & v_wait(e1) & n_woman(x1))