premise: A man is riding a bike along a dirt trail.
hypothesis: The man is riding a horse.
explanation_1: A horse and a bike are not the same thing.
explanation_2: If a man is riding a bike the man is not riding a horse.
explanation_3: A man cannot ride a bike and ride a horse at the same time.
premise_logic: exists e1 x1 x2 x3 x4.(along(e1,x3) & n_trail(x3) & of(x3,x4) & n_dirt(x4) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_bike(x2) & n_man(x1))
hypothesis_logic: exists e1 x1 x2.(n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_horse(x2))