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In this task, you're given an article and an answer. Your task is to generate the fill-in-the-blank question for this answer based on the given article. The blanks are always at the end of the question, and can be filled with more than one word or phrase.
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Article: Eating too much fatty food, exercising too little and smoking can raise your future risk of heart disease. But there is another factor that can cause your heart problems more immediately: the air you breathe. Previous studies have linked high exposure to environmental pollution to an increased risk of heart problem, but two analyses now show that poor air quality can lead to heart attack or stroke within as little as a few hours after exposure. In one review of the research, scientists found that people exposed to high levels of pollutants were up to 5% more likely to suffer a heart attack within days of exposure than those with lower exposure. A separate study of stroke patients showed that even air that the U. S. Environmental Protection Agency (EPA) considers to be of "moderate" quality and relatively safe for our health can raise the risk of stroke as much as 34% within 12 to 14 hours of exposure. The authors of both studies stress that these risks are relatively small for healthy people and certainly modest compared with other risk factors such as smoking and high blood pressure. However, it is important to be aware of these dangers because everyone is exposed to air pollution regardless of lifestyle choices. So stricter regulation by the EPA of pollutants may not only improve environmental air quality but could also become necessary to protect public health.
Answer: heart problems and air quality
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The text mainly discusses the relationship between _ .

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Article: Over the summer, a Chinese company , Xiaomi, took the No.1 position in China's competitive market and became the world's third largest phone maker. Xiaomi was founded in 2010 as a company to sell smartly designed phone at cheap prices over the Internet. A clever social media strategy and a business plan that emphasized selling services helped the company build enthusiastic support from young and trendy Chinese people. With people in China expected to buy 500 million smart phones in 2015, Xiaomi plans to solidify its position as one of the most powerful phone makers in the world's most important market. The company's founders, including the Chinese entrepreneur Lei Jun and the former Google executive Lin Bin, hope that they will take the brand globally. Although Xiaomi is already sold internationally, next year will be the true test of whether it can continue its rise beyond China. Avoiding markets like the United States and Europe, Mr. Lei and Mr. Lin are looking at huge developing countries like Brazil and India. And they hope to use e-commerce networks to sell cheap and high-quality phones, and create their Chinese success. Xiaomi fans have a high level of organization. They love Xiaomi. Han Yu, a 24-year-old boy studying for his master's degree, is one of those lovers. He helps Xiaomi test its user interface by looking for bugs and offering suggestions. Mr. Han moderates several pages on the company's online forum, which averages 200,000 posts a day and is where fans interact with the company. Much of his personal life revolves around Xiaomi and he said he was honored when his suggestions to create a private photo folders was adopted by Xiaomi. Although Xiaomi makes some money on phone sales, the company's plan is to increase profitability by selling services like entertainment and apps through the phone. The company has also started to sell other devices, like a smart television, a tablet and a fitness band.
Answer: Xiaomi's strategy and business plan worked.
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From the passage we know that _ .

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Article: In today's congratulatory phone call to the team behind NASA's Mars Curiosity rover , President Barack Obama made sure that if the mission discovers Martians, he'll be one of the first to know. "If in fact you do make contact with Martians, please let me know right away," Obama said during the call, "I've got a lot of things on my plate, but I expect that that will go to the top of the list. Even if they're just microbes , it will be pretty exciting." Obama also said he was impressed by the attention that's been paid to flight director Bobak Ferdowsi, the "Mohawk Guy" whose star-spangled haircut and warmhearted behavior during Curiosity's Aug. 5 landing won him Internet fame. "I, in the past, thought about getting a Mohawk myself," Obama joked. "But my team keeps on discouraging me. And now that he's received marriage proposals and thousands of new Twitter followers, I think I'm going to go back to my team and see if it makes sense." The congratulatory phone call is a tradition for the White House. But it was clear that Obama particularly enjoyed congratulating the scientists and engineers behind the amazingly successful landing of NASA's newest Mars exploration. He also said the achievement reflected the American spirit, and he gave his personal promise to protect these critical investments in science and technology. "This is the kind of thing that inspires kids across the country," he said. "They're telling their moms and dads they want to be part of a Mars mission, maybe even the first person to walk on Mars. And that kind of inspiration is the byproduct of work of the sort that you guys have done." The Curiosity rover's $2.5 billion mission focuses on studying billions of years' worth of geology on Mars and determining whether the planet was ever potentially suitable for people to live in. The mission is not specifically designed to explore life, even on the range of microbes, but it could point the way for future life-exploration experiments.
Answer: encourage them to contact with Martians
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Obama phoned the team behind NASA's Mars Curiosity rover in order to _ .