premise: The brown dog has a hold of the other dogs cheek with its teeth.
hypothesis: The puppy grabbed his littermate by the cheek
explanation_1: Not all dogs are puppies, Every dog is not every other dog's littermate, There are plenty of places other than the cheek that a dog can grab another.
explanation_2: CHEEK AND TEETH  ARE DIFFERENT ORGANS.
explanation_3: "Dog" can describe a puppy or a dog at any age  and the "other dog" does not imply a littermate to the brown dog.
premise_logic: exists e1 e2 s1 x1 x2 x3 x4.(-(x1 = x1) & n_dog(x1) & n_dog(x1) & a_brown(s1) & Theme(s1,x1) & Theme(e2,x2) & Actor(e2,x1) & v_have(e2) & of(x2,x1) & with(e1,x4) & n_tooth(x4) & of(x4,x2) & n_thing(x2) & Actor(e1,x3) & v_cheek(e1) & (x1 = x3) & n_hold(x2))
hypothesis_logic: exists e1 x1 x2 x3.(n_cheek(x3) & n_littermate(x2) & of(x2,x1) & n_male(x1) & n_puppy(x1) & by(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_grab(e1))