A woman in a white shirt is standing in a doorway.
A woman stands in the doorway before leaving.
Just because a woman in a white shirt is standing in a doorway it does not mean she is leaving.
exists e1 s1 x1 x2 x3.(in(e1,x3) & n_doorway(x3) & Actor(e1,x1) & v_stand(e1) & in(x1,x2) & n_shirt(x2) & a_white(s1) & Theme(s1,x2) & n_woman(x1))
exists e1 e2 x1 x2.(n_doorway(x2) & before(e1,e2) & Actor(e2,x1) & v_leave(e2) & in(e1,x2) & Actor(e1,x1) & v_stand(e1) & n_woman(x1))