A woman in a blue skirt stands as the train passes by.
the woman is wearing a red skirt getting on the train
The woman can only wear either a red or blue skirt. She cannot be getting on the train if she stands as the train passes by.
exists e1 s1 s2 x1 x2 x3 x4.(n_train(x4) & a_by(s2) & Manner(e1,s2) & Actor(e1,x1) & v_pass(e1) & as(x1,x4) & in(x1,x2) & n_stand(x2) & of(x2,x3) & n_skirt(x3) & a_blue(s1) & Theme(s1,x2) & n_woman(x1))
exists e2 e1 s1 x1 x2 x3 x4.(n_train(x4) & n_woman(x1) & Theme(e2,x2) & Actor(e2,x1) & v_wear(e2) & on(e1,x4) & Actor(e1,x3) & v_get(e1) & (x2 = x3) & n_skirt(x2) & a_red(s1) & Theme(s1,x2))