Four ears to the sky, six feet to the ground, a mute, a fortune teller, hit a beast.

Once upon a time, there was a county magistrate who traveled in a sedan chair for four. He was walking on the road when he suddenly found two dogs mating on the roadside.

Seeing this scene, he had a whim and said to the bearers, this official will give you a riddle to see if you are all smart except for your developed limbs. He went on to say that there was a shaft in the middle and both ends were panting.