Problem: Given the question: Write a multi-choice question for the following article, with the given choices and answer: Article: Here are some of the fastest animals in the animal world. Let me tell you that a man can run 20 to 25 miles an hour. Heavy people can not run very fast. But some heavy animals can.Black rhinos are more than 3,500 pounds. They can run almost 30 miles an hour. Cheetahs are the fastest land animal over short distances .They can run over 70 miles an hour. But they get tired quickly and usually stop after a few minutes.Pronghorn antelopes are the fastest animals over long distances. They can run 35 miles an hour for many miles. Their top speed is more than 50 miles an hour.Ostriches can't fly, but they can run faster than other birds. They can run 43 miles an hour for a short distance. And can keep up a speed of more than 30 miles an hour over long distances. Options: A Cheetahs. B Pronghorn. C Horses. D Elephants. Answer: A Cheetahs. Question:
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The answer is:
What are the fastest land mammals over short distances?

Problem: Given the question: Write a multi-choice question for the following article, with the given choices and answer: Article: Mr.Brown was traveling by train.He was very hungry.The train stopped at a small station.He wanted to buy some cakes to eat very much.But it rained hard.So he wanted someone to help him.Then a little boy came here.Mr.Brown asked him to buy cakes for him.He gave the little boy some money and said,"Go and buy two cakes with the money.One cake is for me,and the other is for you." The little boy was happy and ran to buy cakes in the rain.A few minutes later the boy came back.He said to Mr.Brown,"I'm very sorry,sir.I eat the last cake.It's fifty fen.And it's very delicious.Thank you very much.Here is your fifty fen." Options: A It was sunny. B It was rainy. C It was fine. D It was windy. Answer: B It was rainy. Question:
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The answer is:
What's the weather like that day?

Problem: Given the question: Write a multi-choice question for the following article, with the given choices and answer: Article: The United States is one of the greatest fruit-growing countries in the world. Fine red apples come from Washington and New York. Golden oranges come from Southern California and Florida. Fruit grows in all parts of America. The kind of fruit that is grown depends on the weather in each place. Orange trees cannot be grown where temperatures drop below freezing. Southern California and Florida are far from each other, but their weather is much the same. They do not often have freezing temperatures. In Washington, apple trees are planted near the Atlantic Ocean. In New York, they grow near the Great Lakes. Apple trees are often planted near water. Water temperature changes more slowly than land temperature. Near water, temperature does not drop so fast. There is less chance of frost in late spring or early autumn. Frost can kill apples. America has many kinds of weather. It has many kinds of soil. Because of this, they grow and eat more fruit than any other country in the world. Options: A orange trees usually grow where it is cold B different fruits grow in different weather C the cold cannot kill oranges and apples D apple trees cannot live through cold winter Answer: B different fruits grow in different weather Question:
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The answer is:
The main idea of the whole passage is that _ .