A man is driving down a country road when he loses control of his car and ends up in a ditch. He gets out of the car and knocks on a farmhouse door for help. He explains his situation to the farmer. The farmer gets his horse and they walk to the crash scene. The farmer then uses rope to tie the horse to the car"Pull, Zoomer, pull" the farmer shouts, but the horse doesn't move."Pull, Radar, pull" the farmer yells again, but again, the horse stands still"Pull, Dasher, pull" yells the farmer, but the horse stands like a rock."Pull, Dusty, pull" shouts the farmer, and the horse finally gets the car out with minimal effort.The driver is dumbfounded so he asks the farmer, "why do you call your horse different names?""You see," the farmer replies, "Dusty is blind. If he knew he was working by himself, he wouldn't have pulled."