A city slicker sees a field of animal and says to the farmer in charge, "what a strange-looking cow. Why doesn't it have horn?" "Well, there are several reasons, "the farmer replies. "Some cows get their horn late, other have their horns cut off , and still other never grow horns. "And this cow?" the city man asks. "Well, the reasons this cow doesn't have any horn is because it's a horse."