premise: A tan dog chases a black and white soccer ball.
hypothesis: A dog is chasing after a cat.
explanation_1: A soccer ball is not a cat.
explanation_2: A dog cannot chase a cat  while he chases a soccer ball simultaneously.
explanation_3: The dog can either chase a soccer ball or a cat, but not both.
premise_logic: exists e1 s1 s2 s3 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_chase(e1) & n_ball(x2) & of(x2,x3) & n_soccer(x3) & a_white(s3) & Theme(s3,x2) & a_black(s2) & Theme(s2,x2) & n_dog(x1) & a_tan(s1) & Theme(s1,x1))
hypothesis_logic: exists e1 x1 x2.(after(e1,x2) & n_cat(x2) & Actor(e1,x1) & v_chase(e1) & n_dog(x1))