premise: A man in a blue helmet is riding his motorcycle.
hypothesis: The man is sparring in the gym.
explanation_1: The man cannot be riding his motorcycle and sparring in the gym.
explanation_2: One cannot be riding his motorcycle while sparring in the gym at the same time.
explanation_3: The man cannot be sparring and riding simultaneously.
premise_logic: exists e1 s1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_ride(e1) & n_motorcycle(x3) & of(x3,x1) & n_male(x1) & in(x1,x2) & n_helmet(x2) & a_blue(s1) & Theme(s1,x2) & n_man(x1))
hypothesis_logic: exists e1 x1 x2.(n_gym(x2) & n_man(x1) & in(e1,x2) & Actor(e1,x1) & v_spar(e1))