premise: A black dog is chasing a ball on a green grass.
hypothesis: A black dog is sleeping.
explanation_1: the dog can not be sleeping if the dog is chasing a ball
explanation_2: A dog can't be both sleeping and chasing a ball.
explanation_3: A dog cannot be chasing something and sleeping at the same time.
premise_logic: exists e1 s1 s2 x1 x2 x3.(on(e1,x3) & n_grass(x3) & a_green(s2) & Theme(s2,x3) & Theme(e1,x2) & Actor(e1,x1) & v_chase(e1) & n_ball(x2) & n_dog(x1) & a_black(s1) & Theme(s1,x1))
hypothesis_logic: exists e1 s1 x1.(Actor(e1,x1) & v_sleep(e1) & n_dog(x1) & a_black(s1) & Theme(s1,x1))
premise_sim: exists e1 s1 s2 x1 x2 x3.(v_chase(e1) & on(e1,x3) & n_grass(x3) & n_dog(x1) & n_ball(x2) & a_green(s2) & a_black(s1) & Theme(s2,x3) & Theme(s1,x1) & Theme(e1,x2) & Actor(e1,x1))
hypothesis_sim: exists e1 s1 x1.(v_sleep(e1) & n_dog(x1) & a_black(s1) & Theme(s1,x1) & Actor(e1,x1))