Two men smooth pavement next to some train tracks.
Men ride the train.
If people are riding a train they are on top of the train tracks and therefore cannot be next to the train tracks.
exists s1 x1 x2 x3 x4 x5.(a_topic(x1) & to(x3,x4) & n_track(x4) & of(x4,x5) & n_train(x5) & next(x1,x3) & n_thing(x3) & n_pavement(x1) & a_smooth(s1) & Theme(s1,x1) & of(x1,x2) & n_man(x2) & card_eq_2(x1))
exists e1 x1 x2.(n_train(x2) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_man(x1))