premise: Dirt biker number 52 making a high jump while riding his trail
hypothesis: The person is in a bike race.
explanation_1: Dirt bikers can ride trails without participating in a bike race.
explanation_2: Riding on a trail may not be a bike race.
explanation_3: Someone can be in a bicycle competition without it being a bike race.
premise_logic: exists e1 e2 s1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & while(e1,e2) & Theme(e2,x6) & Actor(e2,x4) & v_ride(e2) & n_trail(x6) & of(x6,x3) & n_male(x3) & Theme(e1,x5) & Actor(e1,x4) & v_make(e1) & n_jump(x5) & a_high(s1) & Theme(s1,x5) & (x1 = x4) & n_number(x1) & card_eq_52(x1) & of(x1,x3) & n_biker(x3) & (x1 = x2) & ne_nam_dirt(x2))
hypothesis_logic: exists p1 x1.(n_person(x1) & exists x2 x3.(in(x1,x2) & n_race(x2) & of(x2,x3) & n_bike(x3)))