premise: Dirt biker number 52 making a high jump while riding his trail
hypothesis: The person is riding a bike.
explanation_1: Riding a bite is part of the description of dirt biker making a high jump.
explanation_2: a dirt biker is a person that would be riding a bike
explanation_3: Dirt Biker is a person and is riding the bike
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 e1 x1 x2.(n_person(x1) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_bike(x2))