input: Please answer the following: Write a multi-choice question for the following article, with the given choices and answer: Article: Big ocean fish have almost disappeared from the world since the start of business fishing in the 1950's.The scientists found that the number of large fish has dropped by 90 percent in the past fifty years.The study took ten years.The researchers collected records from fishing business and governments around the world.The magazine Nature published the findings. The scientists say the common way called longline fishing is especially harmful to large fish.This way includes many fishing lines that are connected to one boat.If these lines are joined together,they can reach one hundred kilometers.They hold thousands of sharp metal hooks to catch fish.Longline fishing is especially common in the Japanese fishing industry.Records show that Japanese boats used to catch about ten fish for every hundred hooks.The study says longline fishing boats now might catch one fish per hundred hooks. The scientists say business fishing can destroy groups of fish much faster than in the past.The study suggests that large fish can disappear almost completely from new fishing areas within ten to fifteen years.Ocean life system could be destroyed. It's not the only worry that the number of large fish is becoming smaller and smaller.What's worse.they are smaller in size than their ancestors . Options: A the oceans are polluted B the ways of fishing go into practice C the scientists pay little attention to them D Japanese fishing boats catch one fish per hundred hooks Answer: B the ways of fishing go into practice Question:
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output: The number of big ocean fish has become smaller because _ .

Please answer this: Write a multi-choice question for the following article, with the given choices and answer: Article: Growing mushrooms is probably the easiest thing you can do even if you are new to mushroom growing. It is becoming more common because restaurants are starting to create more dishes that include mushrooms. Mushroom growing is easy. To start, you need to have a space where you are going to grow these mushrooms. It does not have to be a huge space but just enough for you to grow as many mushrooms as you need. When you have found the space perfect for you, you can start researching what kind of mushrooms you want to grow. There are a lot of mushrooms to choose from and not all of them are suitable to eat. When you decide what kind of mushrooms you want to grow, you can start getting ready to plant the mushrooms. Sometimes you may want to hire some workers to help if you have a large mushroom farm, or if you are trying to start a professional mushroom growing business. Trying to have a business by yourself can be stressful. If you don't have enough time to spend taking care of everything yourself, dome helpers may be the best choice. After you have started the mushroom growing, you should regularly check that your mushrooms grow properly and that they are not being attacked by any pesticides or any other animals or something that could be dangerous to them. That is the worst part of mushroom developing. Protect your mushroom farm well with a fence or a gate so that only you and your workers can get in and out. Mushroom growing is not difficult and it is easy to get stared in the world of farming. You will soon possibly be able to provide some of the great cooks of the world with high quality mushrooms that will be enjoyed by thousands of people all over the world. Options: A because they are in great need. B because they look very beautiful C because they are healthy food D because they are very expensive Answer: A because they are in great need. Question:
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Answer: According to the passage, many people begin to plant mushrooms probably _ .

Problem: Write a multi-choice question for the following article, with the given choices and answer: Article: In almost every big university in the United States football is a favorite sport. American football is not like soccer. Players sometimes kick the ball, but they also throw the ball and run with it. They try to take it to the other end of the field. They have four chances to move the ball ten yards. They can carry it or throw it. If they move it to the end of the field, they receive six points. This is called a touch--down. It is difficult to move the ball. Eleven men on the team try to stop the man who has the ball. If the man does not move the ball ten yards, his team kicks the ball to the other team. Each university wants its team to win. Thousands of people come to watch. They all yell for their favorite team. Young men and women called cheerleaders come on the field to help the people yell more. They dance and jump while they yell. Each team plays ten or eleven games each season. The season begins in September and ends in November. If a team is very good, it may play another game after the season ends. The best teams play again on January 1st, the first day of the New Year. Many people go to see these games and many others watch them on television Options: A 10 yards B to the other end C 40 yards D away from its own end Answer: B to the other end Question:

A: If a team wants to get points, it has to move the ball _ .

input question: Write a multi-choice question for the following article, with the given choices and answer: Article: Once there was an old man in a town. He always forgot a lot of things. So his wifealways had to say to him, " Don't forget this !" One day he went on a long trip alone. Before he left home, his wife said, " Now you have all these things. They are what you need for your trip. Take care of your things during the trip." He went to the station, bought a ticket and got on the train with it.. About half an hour later, the conductor began to see the tickets. He came to the old man and said, " Will you please show me your ticket ? " The old man looked for his ticket in all his pockets, but he could not find it. He was very worried. " I can not find my ticket. I really bought a ticket before I got on the train, " said the old man. " I believe you bought a ticket. All right, you do not have to buy another one." Said the conductor kindly. " But how can I know where I'm going ? I can not remember my station!" the old man said sadly. Options: A he had to buy another ticket B he lost all the things his wife gave him C he did not know where he was D he did not know where he should get off Answer: D he did not know where he should get off Question:???
output answer:
The old man was sad because _ .