input question: Write a multi-choice question for the following article, with the given choices and answer: Article: Carbon monoxide poisoning causes death and injuries around the world. This gas is a problem in all parts of the world that experience cold weather. A few years ago, America's Centers for Disease Control (C. D. C.) studied deaths linked with carbon monoxide poisoning. It found that the number of carbon monoxide deaths in the United States was greatest in January. The C.D.C. also found that carbon monoxide kills more than four hundred Americans each year. And, it said more than twenty thousand people are taken to hospital for treatment of health problems linked with the gas. Carbon monoxide is called the silent killer because people do not know it is in the air. The gas has no color, no taste and no smell. It does not cause burning eyes. And it does not cause people to cough. Yet, carbon monoxide gas is very deadly . It steals the body's ability to use oxygen. Carbon monoxide makes it difficult for the blood to carry oxygen to body tissues . It does this by linking with the blood. When the gas links with the blood, the blood is no longer able to carry oxygen to the tissues that need it. Damage to the body can begin very quickly from large amounts of carbon monoxide. How quickly this can happen depend on how long a person is breathing the gas and how much gas he or she breathes in. Carbon monoxide poisoning has warning signs . But people have to be awake to realize them. Small amounts of the gas will cause a person's head to hurt. He or she may begin to feel tired. Their stomachs may feel sick. The room may appear to be turning around. The person may have trouble thinking clearly. People develop serious headache as the amount of the gas continues to enter their blood. They will begin to feel very tired and sleepy. They may have terrible stomachache. Doctors say carbon monoxide influences people differently. For example a small child will experience health problems or die much sooner than an adult. The general health of the person or his or her age can also be important. Options: A Warning signs that carbon monoxide poisoning has. B Reasons why carbon monoxide can cause person's death. C The damage of carbon monoxide and how it works. D Influences of carbon monoxide on children and adults. Answer: C The damage of carbon monoxide and how it works. Question:???
output answer: What does the passage mainly talk about?

input question: Write a multi-choice question for the following article, with the given choices and answer: Article: Have you ever seen a movie called " The Choir Boys"(<<>> )?The French movie tells the story of a group of naughty boys who learn music from a dedicated teacher. In Shanghai, there is also a group of children learning music. But their story is a bit different. The musical group, "Shepherds' Kids" , was founded by the Shanghai Jiuqian Volunteer Center. There are about 40 students in this group. Their parents are migrants working in Shanghai. " The music courses are free," said Zhang Yichao, founder of the group. "We just want to make the children's lives more colorful." The kids learn singing, dancing and musical instruments. Their teachers are volunteers from high schools. Learning music is not an easy job, especially for these migrant workers' children. "I never know the musical stave before," said Hua Delong, 13. "Sometimes it was really hard to study." Tang Yue is a volunteer teacher at the center. She is a student from Shanghai Ping'he Bilingual High School. "These kids face difficulties bravely," said Tang. "Sometimes they have to help their parents do housework and have little time to practice, but I never hear them complain." Their hard work has paid off . Today many people know the group. They have even performed as a choir for foreign pop stars. Li Luo, 14, told " Teens" how appreciative she was of the group. "I had little fun before. I seldom watched TV. Study seemed the most interesting thing in my life. "Shepherds' Kids has given me a new life." Options: A the French movie "The Choir Boys" B a musical group "The Shepherds' Kids" C the foundation of "The Shepherds' Kids" D the children learning music Answer: B a musical group "The Shepherds' Kids" Question:???
output answer: The story is an introduction of _ .

input question: Write a multi-choice question for the following article, with the given choices and answer: Article: Let's look at the picture. The boy's name is John. The girl in a white blouse is his sister, Rose. The other one in a yellow blouse is his sister, Mary. John and his sisters are students in No. 11 Middle School. The two sisters are in Class Three, Grade One, but John is in Class Two, Grade Two. The man and woman are their father and mother. The man is a worker and the woman is a teacher. The old man and the old woman are John's grandfather and grandmother. The family is a big one. Options: A yellow; white B white; yellow C yellow; blue D black; red Answer: A yellow; white Question:???
output answer: Mary is in a _ blouse and Rose is in a _ one.

input question: Write a multi-choice question for the following article, with the given choices and answer: Article: Grace and I are good friends. We get on very well with each other, though sometimes we fight. I remember last year we didn't talk with each other for a long time before Mid-Autumn Day. But when we met each other that day, we became good friends again. We both study well. We like talking about the problems in our studies.We also like making up stories.We made one up in English last month. It was called "Magic Sunflower Club". I think this is a wonderful name. Grace is tall and active. She does better in P.E. than me. She is good at music. She plays the piano so well that sometimes birds come to listen to her. I'm shorter and quieter than Grace. I know a lot about science. I often have some new ideas. I'm good at math and art. Our teacher says my drawing is getting better and better. If we don't know something very well, we help each other. So we never have any problems. Options: A Music and Songs. B The problems in their studies. C What they do out of class. D Their school and teachers. Answer: B The problems in their studies. Question:???
output answer:
What do they often talk about?