premise: A black dog is chasing a ball on a green grass.
hypothesis: A black dog is playing fetch with some kids.
explanation_1: Chasing a ball is not the same thing as playing fetch and it doesn't have to be with some kids.
explanation_2: Just because the dog is chasing the ball, that does not mean that it was from playing fetch with kids.
explanation_3: A dog can chase a ball without playing fetch.
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 x2 x3.(with(e1,x3) & n_kid(x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_fetch(x2) & n_dog(x1) & a_black(s1) & Theme(s1,x1))