premise: A man in a hat is driving a horse-driven cart down a cobblestone street.
hypothesis: A man on a motorcycle.
explanation_1: Either he is driving a horse-driven cart or a motorcycle.
explanation_2: A horse-driven cart is not a motorcycle.
explanation_3: The man is either on a driving a horse-driven cart or a motorcycle.
premise_logic: exists e1 s1 x1 x2 x3 x4 x5.(down(e1,x4) & n_street(x4) & of(x4,x5) & n_cobblestone(x5) & Theme(e1,x3) & Actor(e1,x1) & v_drive(e1) & n_cart(x3) & a_horse-driven(s1) & Theme(s1,x3) & in(x1,x2) & n_hat(x2) & n_man(x1))
hypothesis_logic: exists x1 x2.(a_topic(x1) & on(x1,x2) & n_motorcycle(x2) & n_man(x1))