Have you ever heard of the story of Tom?
One day a rich man met Tom. The rich man asked, "I hear you are very clever and1 is difficult for you. Can you tell me why you are so clever?" Tom answered with2, "Oh, I am not clever. Instead, you are too foolish. "The rich man became3.Tom said, "Sir, please4unhappy. If you don't agree5what I said, now let me6you a very easy question: If you have a group of sheep, I send you7group. Then, you say, how many groups of sheep do you have?" "Well! That's the easiest question in the world. One and one is two.8knows that I have two groups of sheep, of course. "
Tom laughed and laughed and said, "You are quite9, Sir. Two groups of sheep put together is still one group. That's the10question in the world, isn't it?"