亚洲91视频,国产91网,久久久久久久久久久久久久久国产,亚洲一区二区三区日本久久九,亚洲日本久久,国产精品久久久99,亚洲欧美一区二

One day, a father and his little son were going home. At this age, the boy was interesting in all kinds of things and was always asking questions. Now, he asked, "What's the meaning of the word 'Drunk', dad?"
"Well, my son," his father replied, "look, there are standing two policemen. If I regard the two policemen as four then I am drunk."
"But, dad," the boy said, "there's only ONE policeman!"