premise: A man riding a dirt bike on a racetrack.
hypothesis: A man is riding a dirt bike in a race at a track.
explanation_1: A racetrack is where people race at a track.
explanation_2: A man is riding his dirtbike on a racetrack in a race.
explanation_3: Riding a bike on a track is the same as riding a bike on a racetrack.
premise_logic: exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & on(e1,x5) & n_racetrack(x5) & Theme(e1,x3) & Actor(e1,x2) & v_ride(e1) & n_bike(x3) & of(x3,x4) & n_dirt(x4) & (x1 = x2) & n_man(x1))
hypothesis_logic: exists e1 x1 x2 x3 x4 x5.(at(e1,x5) & n_track(x5) & in(e1,x4) & n_race(x4) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_bike(x2) & of(x2,x3) & n_dirt(x3) & n_man(x1))