premise: Two German sheperds snarling at each other.
hypothesis: Two puppies are play fighting.
explanation_1: All German shepherds are not puppies.
explanation_2: German sheperds can be full-grown adults or puppies. Also, it cannot be inferred that snarling mean they are only play fighting.
explanation_3: Two German shepherds don't have to be puppies.
premise_logic: exists e1 s1 x1 x2.(a_topic(x1) & all x3.(n_other(x3) -> at(e1,x3)) & Actor(e1,x2) & v_snarl(e1) & (x1 = x2) & n_sheperd(x1) & a_german(s1) & Theme(s1,x1) & card_eq_2(x1))
hypothesis_logic: exists p1 x1.(exists x2 x3.((x1 = x2) & n_fighting(x2) & of(x2,x3) & n_play(x3)) & n_puppy(x1) & card_eq_2(x1))