Three children are standing on the platform next to train tracks.
Three children are by the train tracks.
The platform next to the train tracks is by the train tracks.
exists e1 p1 x1 x2 x3.(n_platform(x3) & r_next(e1) & Topic(e1,p1) & exists e2 x4.(Theme(e2,x4) & Actor(e2,x1) & v_train(e2) & n_track(x4)) & on(e1,x3) & Actor(e1,x2) & v_stand(e1) & n_child(x2) & card_eq_3(x2) & n_child(x1) & card_eq_3(x1))
exists p1 x1 x2 x3.(n_track(x2) & of(x2,x3) & n_train(x3) & by(x1,x2) & n_child(x1) & card_eq_3(x1))