input: Please answer the following: Write a multi-choice question for the following article, with the given choices and answer: Article: One afternoon Mrs.Green's husband wanted to catch the 3:30 flight to London to have an important meeting. She was very surprised when he telephoned her at 5 o'clock and said that he was still at the airport. "What happened to you?"asked Mrs Green. "Well," said Mr. Green, "Everything was going fine. I got my ticket, checked my luggage and waited in line at the gate. I walked across the runway to the airplane and I saw my friend Jack Scott, who was an airplane engineer. I shouted to him and a policeman caught me." "Why did he catch you?" "I don't know,"said Mr.Green, "As soon as he heard my shout, he ran towards me and caught me." "What did you shout to your friend?" "All I said was 'Hi, Jack'. You know that's the usual way we say hello to our friends." "But you don't know the sentence 'Hi,Jack' also means to take control of a plane by force." Options: A Before 3:30 B After 3:30 C At 3:30 D At about 5:00 Answer: A Before 3:30 Question:
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output: When did Mr.Green get to the airport that afternoon? _

input: Please answer the following: Write a multi-choice question for the following article, with the given choices and answer: Article: Learn to relax. Overwork is the main reason why so many students feel tired and stressed . Cut down some of the jobs you need to do each day so that you can only focus on the most important things. Leave time for activities that are relaxing and fun. This might mean reading a good book, listening to the music, going for a walk or taking a relaxing bath. Get a good night's sleep. Getting enough sleep will help you keep your body and mind in the best form. If you stay up late and need to get up early for school the next day, you may not be able to concentrate on the things you need to do. Exercise regularly and eat well. Don't rush through your meals. Eat less junk food or fast food. Eat healthy food instead. Get to know pleasant people. Some people are _ , while others not. Choose optimistic people as your friends and spend more time with them and you'll be as happy as them. Learn to be calm when you face any problem. Find out the best option from those that are in your mind. Knowing that you are able to solve problems is a good way to build up your self-confidence . Have a happy attitude . Your attitude decides the way you see things. Is your cup half full or half empty? Learn to think more positively about the difficulties you face. Options: A Don't work or study too hard. B What kind of relaxing activities can we do? C Getting enough sleep, exercising regularly and eating healthily are very important. D How to feel relaxed and happy under the stress of study and work. Answer: D How to feel relaxed and happy under the stress of study and work. Question:
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output: What's the main idea of the article?

input: Please answer the following: Write a multi-choice question for the following article, with the given choices and answer: Article: Bill Gates, the founder of Microsoft and one of the richest people in the world, is now making efforts to reinvent the toilet. Gates has donated a big part of his wealth to charity. Now his charitable organization, the Bill & Melinda Gates Foundation, is looking for future toilets that can improve the living conditions of millions of people. The flush toilet we use today was invented in 1775. While it works well in getting rid of our waste, it also uses a lot of water and needs a costly sewage system . Besides, it's not necessarily practical for the developing world. In some developing countries, lack of toilets leads to poor hygiene ,and _ could kill people. According to the World Health Organization, 1.5 million children under the age of five die each year because of hygiene problems. Last year, the Gates Foundation gave money to eight universities around the world and asked them to start inventing the toilet of tomorrow: a toilet that uses little or no water is cheap and easy to fix, and is safe and hygienic. At the " Reinvent the Toilet Fair " competition recently held in Seattle, twenty-eight designs were displayed. The winners, from the California Institute of Technology , were awarded a $ 100,000 prize by the Gates Foundation. "We couldn't be happier with the response that we've gotten," Bill Gates said at the event. Many of the new designs would not only greatly improve hygiene in the developing world, but also help change the dependence on traditional flush toilets in developed nations, he said. Options: A Eight. B Eighty. C Eighteen. D Twenty-eight. Answer: D Twenty-eight. Question:
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output: How many designs were displayed at the "Reinvent the Toilet Fair"?

input: Please answer the following: Write a multi-choice question for the following article, with the given choices and answer: Article: Spiders are not insects as many people believe. They belong to a class of animals called arachnids . Spiders have eight eyes, four pairs of legs, and can grow a new leg if they lose one. A spider's body is divided into two sections: the abdomen and the thorax .The legs, eyes, and mouthparts are in the thorax section. Most spiders have poison glands and sharp teeth. They use their sharp teeth to force poison into the insects they catch for food. This poison can make an insect lose the ability to move, and the helpless insect is then _ by the spider. Spiders usually have silk glands under their abdomen. They produce a liquid that is thicker than water from their glands. When the liquid comes into the air, it dries into silk. Many spiders use this silk to form webs to catch insects and to make cocoons that protect their eggs. This amazing silk is also used to create lines that spiders hang onto as they travel to new areas. Spiders live in almost everywhere on earth. The only places where there are no spiders are the coldest places, the highest mountains and the seas. Options: A It will die. B It will lose its way. C It will grow a new one. D It will have seven legs forever. Answer: C It will grow a new one. Question:
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output:
What will happen if a spider loses one leg?