input: Please answer the following: Write a multi-choice question for the following article, with the given choices and answer: Article: Now cities are full of cars. Some families even have two or more cars. Parking is a great problem, and so is the traffic in and around the cities. Something will have to be done to change it. What will the cars of tomorrow be like? Little cars may some day take the place of today's big cars. If everyone drives little cars in the future, there will be less pollution in the air. There will also be more space for parking cars in cities, and the streets will be less crowded. Three little cars can fit in the space now needed for one car of the usual size. The little cars will cost much less to own and to drive. Driving will be safer, too. What is more, these little cars can go about 65 kilometers per hour. Little cars of the future will be fine for getting around a city, but they will not be useful for long trips. If big cars are still used along with the small ones, two sets of roads will be needed in the future. Some roads will be used for the big, fast cars, and other roads will be needed for the slower small ones. Options: A one third of B two thirds of C as big as D as small as Answer: A one third of Question:
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output: The little car's size may be _ today's car's size.

input: Please answer the following: Write a multi-choice question for the following article, with the given choices and answer: Article: A men went into a shop to buy a parrot.There were three parrots in the shop.One was $1000; another one, $2000; and the third one, $3000. The man asked the owner, "Is this brid really $1000?That's so expensive for this kind of parrot."The owner said, "Because I have trained him and he can talk." Then the man asked him, "How about this one?What can he do that makes him so expensive?" The owner said, "Well, he can not only talk but also do some amusing actions,like dancing and so on.That"s why he's so expensive?" Then the man asked, "How about the third one? What can he do that makes him so expensive" The owner of the shop said, "I don't know.Usually,I have never heard him talk, nor dance, nor say, nor sing, nothing at all! But the other two call him The Boss . Options: A He can talk. B He can do nothing at all. C He can talk and sing. D He can talk and do some amusing actions. Answer: D He can talk and do some amusing actions. Question:
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output: What can the bird of $2000 do?

input: Please answer the following: Write a multi-choice question for the following article, with the given choices and answer: Article: Paul is my pen friend.He is from Landon,England.He speaks good English.He is now in Shanghai with his parents,because they work in Shanghai.Paul can speak a little Chinese! There are five people in his family,his parents,his two sisters and he.His sisters aren't in China.They are in England now. He likes singing and dancing very much.His favorite subject is music.He likes going to the movies on weekends:He thinks it is fun.I think he is a nice boy. Options: A He has two brothers and one sister. B He has two sisters and one brother. C He has two brothers and no sister. D He has two sisters and no brother. Answer: D He has two sisters and no brother. Question:
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output: How many brothers and sisters does Paul have?

input: Please answer the following: Write a multi-choice question for the following article, with the given choices and answer: Article: Now, more and more cities are facing problems, such as high housing costs, pollution and crime. Let's see what people in Hyderabad, India and in Sao Paulo, Brazil do to solve the problems. Hyderabad, India To improve people's lives, Hyderabad is planting more and more trees. The city is even creating _ buildings that use less water and less electricity for power. Adding green to a city has a number of advantages. For example, trees make the air cleaner. In Hyderabad, streets were grey and dirty in the past. However, today they are filled with trees and flowers, making the city cleaner and more colourful. Green areas also give people places to relax or exercise. A study in the USA shows an interesting thing: the greener a neighborhood is, the less crime there is. Sao Paulo, Brazil Many people work in the centre of Sao Paulo, but they don't live there. They've spread out to neighborhoods outside the city because housing is cheaper. Every day, these people travel into the city, and traffic is very heavy. City planners are using different ways to deal with the problem. First, they are building better subways. Another goal is to make it cheaper for people to live in the downtown area . Doing this will reduce traffic and pollution in the city. Options: A A lot of people don't have jobs. B Too many people live in the city centre. C A lot of people are moving out of the city. D Too many people travel into the city every day. Answer: D Too many people travel into the city every day. Question:
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output:
According to the passage, what problem does Sao Paulo have?