Cats VS Dogs Pro

Long long ago, maybe just when human starts to keep animals, cat and dog is the enemy for each other, the reason? Cat said: Human gives me the food, the water and the house, he also takes good care of me, I am the God. That is to say, the faith of cat - I am the God. Dog said: Human gives me the food, the water and the house, he also takes good care of me, he is the God. That is to say, the faith of dog - Human is the God. So, the different faiths cause the opposition. They tried to prove the co...