premise: A participant in a dog sled race passes onlookers.
hypothesis: It's a motorcycle race
explanation_1: Dog sleds do not race in motorcycle races.
explanation_2: A dog sled race is different from a motorcycle .race.
explanation_3: A dogsled race and a motorcycle race are two different kinds of races.
premise_logic: exists e1 x1 x2 x3 x4 x5.(Theme(e1,x3) & Actor(e1,x1) & v_sled(e1) & n_onlooker(x3) & of(x3,x5) & n_pass(x5) & of(x3,x4) & n_race(x4) & in(x1,x2) & n_dog(x2) & n_participant(x1))
hypothesis_logic: exists p1 x1.(n_thing(x1) & exists x2 x3.((x1 = x2) & n_race(x2) & of(x2,x3) & n_motorcycle(x3)))