two horses with riders, race along the track.
Two riders settle an old bet by racing horses.
You can not infer there is a bet.
exists x1 x2 x3 x4.(n_track(x4) & a_topic(x1) & with(x1,x2) & rel(x2,x3) & along(x3,x4) & n_race(x3) & n_rider(x2) & n_horse(x1) & card_eq_2(x1))
exists e2 e1 s1 x1 x2 x3.(by(e1,e2) & Theme(e2,x3) & Actor(e2,x1) & v_race(e2) & n_horse(x3) & n_bet(x2) & a_old(s1) & Theme(s1,x2) & Time(e1,x2) & Actor(e1,x1) & v_settle(e1) & n_rider(x1) & card_eq_2(x1))