An old woman carrying a white trash bag walks through a train station.
The woman is not carrying anything on the train.
The woman is either carrying something or not carrying something.
exists e1 e2 s1 s2 x1 x2 x3 x4 x5 x6.(through(e2,x5) & n_station(x5) & of(x5,x6) & n_train(x6) & Actor(e2,x1) & v_walk(e2) & Theme(e1,x3) & Actor(e1,x2) & v_carry(e1) & n_bag(x3) & of(x3,x4) & n_trash(x4) & a_white(s2) & Theme(s2,x3) & (x1 = x2) & n_woman(x1) & a_old(s1) & Theme(s1,x1))
exists x1 x3.(n_train(x3) & n_woman(x1) & -all x2.(n_thing(x2) -> exists e1.(Theme(e1,x2) & Actor(e1,x1) & v_carry(e1) & on(x2,x3))))