input question: Write a multi-choice question for the following article, with the given choices and answer: Article: It's Charlie's birthday today, but he isn't feeling happy. No one wishes him a happy birthday. Mother says nothing about his birthday. She just tells Charlie to play outside. At lunchtime, his mother calls, "Come in for lunch, Charlie!" Charlie slowly walks into his house. But the living room looks different. Charlie sees a big "Happy Birthday" banner . Then, he sees a birthday cake, balloons , presents, and all of his friends. "Happy birthday!" everyone shouts. Charlie's face _ . He is happy and surprised . No one forgets his birthday after all! Options: A He doesn't like his party. B He doesn't like his presents. C He wants to eat cake. D He thinks people forgets his birthday. Answer: D He thinks people forgets his birthday. Question:???
output answer: Why is Charlie not happy?

input question: Write a multi-choice question for the following article, with the given choices and answer: Article: Mr Smith gave his wife money every Friday evening. His wife always spent it all the next Wednesday, so that for the next three days she had no money to spend at all. One day Mr Smith asked her, "But how did you spend all that money?" She answered, "I don't know ."So on Friday evening, Mr Smith gave her money together with an exercise book and a pencil. He said to his wife , "Please write down how you spend the money ."Next Tuesday, his wife had no money again. Mr Smith took the exercise book to see how she had spent it. "I have done what you told me,"she said gladly . She had written "Friday, I got 18 pounds from Mr Smith. " on the first page, and on the second page, she wrote , "Tuesday, I have spent it all." Options: A to do homework B to draw a picture on it C to write down how she spent the money D to have a look Answer: C to write down how she spent the money Question:???
output answer: Smith gave his wife an exercise book and a pencil and asked her _ .

input question: Write a multi-choice question for the following article, with the given choices and answer: Article: Little Smart or Xiaolingtong is becoming more and more popular in China. But you can use it only in your city. If you go to another city, it will have no use. It looks like a mobile phone, but the service( )is quite cheap. We only need to pay about 20 yuan a month for the line and about 0.1 yuan each minute for the talk. What's more, you don't have to pay any money when someone else calls you. But little Smart is not really so smart. Users often complain about( ) its bad voice. " I can't make or get a phone call when I am on a bus," a person in Hangzhou said. Scientists are trying their best to make Little Smart smarter. And the latest Little Smart even has a color screen. Options: A the service of it is very cheap B it's very expensive C it's very smart D it's very useful in another city Answer: A the service of it is very cheap Question:???
output answer: Little Smart is popular because _ .

input question: Write a multi-choice question for the following article, with the given choices and answer: Article: Many young people want to become pop-stars. It is their great ambition in life. They think pop-stars earn a lot of money, they lead interesting and exciting lives, thousands of fans love them, and they become famous! Yes, but first they must become stars. Most performers star life with a group. This is the pattern nowadays. But there are many groups and competitions are hard. Groups appear and disappear almost overnight. Only a small number survive. Almost without exception they have to work very hard before they reach the top. And very few reach the top and stay there. In England there are perhaps thirty or so groups at the top. Most of these do not earn so much money, perhaps 500 pounds each time they perform. What's more, they have quite a lot of expenses . They have to pay a manager, for example. He is the key person in their lives and takes about 20% of their earnings-perhaps more. Then there are their clothes, their instruments and their van. Sometimes they are still playing for the last two items. And don't forget, they have to travel a great deal-sometimes 2,000 miles in one week. At times they even sleep in their van instead of a hotel, just to save money. So now, what do you think? Are pop-stars so rich? And do they have such exciting lives? Options: A Living an exciting life. B Becoming a rich man. C Being loved by thousands of fans. D All of the above. Answer: D All of the above. Question:???
output answer:
Which of the following is the reason that many young people want to become pop-stars?