Several people sit on a crowded subway, while two woman stand in the middle holding the poles.
Some commuters take the train to work.
People on a crowded subway does not imply commuters take the train to work.
exists e1 e2 s1 s2 x1 x2 x3 x4 x5 x6 x7.(n_pole(x7) & n_middle(x5) & in(e1,x5) & Theme(e2,x7) & Actor(e2,x6) & v_hold(e2) & (x5 = x6) & while(e1,x3) & n_stand(x3) & of(x3,x4) & n_woman(x4) & card_eq_2(x3) & on(e1,x2) & n_subway(x2) & a_crowded(s2) & Theme(s2,x2) & Actor(e1,x1) & v_sit(e1) & n_people(x1) & a_several(s1) & Theme(s1,x1))
exists e1 p1 x1 x2 x3.(n_train(x3) & Topic(e1,p1) & exists e2.(Actor(e2,x1) & v_work(e2)) & Theme(e1,x3) & Actor(e1,x2) & v_take(e1) & n_commuter(x2) & n_commuter(x1))