Woman pushes her two young boys both in red in stroller by the train.
The mother is pushing two girls in her stroller by the train
Two boys are referred to in 1 while two girls are referred two in 2.
exists e1 s1 x1 x2 x3 x4 x5.(n_train(x5) & ne_nam_woman(x1) & in(e1,x4) & by(x4,x5) & n_stroller(x4) & Theme(e1,x3) & Actor(e1,x1) & v_push(e1) & n_both(x3) & in(x3,x2) & n_red(x2) & n_boy(x3) & a_young(s1) & Theme(s1,x3) & card_eq_2(x3) & of(x3,x2) & n_female(x2))
exists e1 x1 x2 x3 x4.(n_train(x4) & n_stroller(x3) & of(x3,x1) & n_female(x1) & n_mother(x1) & by(e1,x4) & in(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_push(e1) & n_girl(x2) & card_eq_2(x2))