A woman waiting by the train tracks.
A tall human waiting
Just because a woman is waiting by the train tracks, it doesn't necessarily mean that she is tall.
exists e1 x1 x2 x3 x4.(n_track(x3) & of(x3,x4) & n_train(x4) & a_topic(x1) & by(e1,x3) & Actor(e1,x2) & v_wait(e1) & (x1 = x2) & n_woman(x1))
exists s1 s2 x1.(a_topic(x1) & n_waiting(x1) & a_human(s2) & Theme(s2,x1) & a_tall(s1) & Theme(s1,x1))