A certain master raised his eyebrows and said: "My king said one, but you can't answer two. Yes. Then she can answer three, and there is no trouble. My king wants you to go east, but you can't go west. Yes. She nodded meekly, You can’t go east and west, but north and south are also good, it’s not a big problem. This king forbids you to find other men. Yes! She nodded more definitely. Never looking for men, usually only at the door... [PS: Ben The title of the book published in simplified form is "The First Style"]