premise: A white dog holds a tennis ball in its mouth in a field.
hypothesis: The dog is chasing after a rolling tennis ball.
explanation_1: If a dog holds a tennis ball that mean the dog already has the ball, not chasing it.
explanation_2: The dog is either chasing the tennis ball or holds the tennis ball.
explanation_3: dog can't be chasing rolling ball if he holds ball in mouth
premise_logic: exists e1 s1 x1 x2 x3 x4 x5.(in(e1,x4) & in(x4,x5) & n_field(x5) & n_mouth(x4) & of(x4,x1) & n_thing(x1) & Theme(e1,x2) & Actor(e1,x1) & v_hold(e1) & n_ball(x2) & of(x2,x3) & n_tennis(x3) & n_dog(x1) & a_white(s1) & Theme(s1,x1))
hypothesis_logic: exists e1 s1 x1 x2 x3.(n_dog(x1) & after(e1,x2) & n_ball(x2) & of(x2,x3) & n_tennis(x3) & a_rolling(s1) & Theme(s1,x2) & Actor(e1,x1) & v_chase(e1))