Two cows walk past a train in Asia.
Cows crossing train tracks.
crossing a train and to walk past a train are two different things.
exists e1 x1 x2 x3.(ne_geo_asia(x3) & in(e1,x3) & past(e1,x2) & n_train(x2) & Actor(e1,x1) & v_walk(e1) & n_cow(x1) & card_eq_2(x1))
exists e1 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_cross(e1) & n_track(x3) & of(x3,x4) & n_train(x4) & (x1 = x2) & n_cow(x1))