premise: A motorist gets some air over a rough hill.
hypothesis: A motorist is riding his bike in a competition.
explanation_1: A motorist going over a hill, and getting some air does not mean he is in a competition and riding his bike.
explanation_2: Not all motorists are in a competition.
explanation_3: The motorist may not be riding his bike in a competition at all.
premise_logic: exists e1 s1 x1 x2 x3.(over(e1,x3) & n_hill(x3) & a_rough(s1) & Theme(s1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_get(e1) & n_air(x2) & n_motorist(x1))
hypothesis_logic: exists e1 x1 x2 x3.(in(e1,x3) & n_competition(x3) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_bike(x2) & of(x2,x1) & n_male(x1) & n_motorist(x1))