In this task, you're given an article and an answer. Your task is to generate the question for the answer based on the given article.

Q: Article: Deng Nannan, 15, used to hate drinking milk for breakfast. But she had to drink it because her mom, as well as many others, said that milk was good for her growing body. Besides, milk and bread made up a convenient diet that saved her parents a lot of time after Deng entered junior school and had to arrive at school early in the morning. After that, Mengniu and Yili became her favorite brands of morning milk and yoghurt after dinner. However, she has been forced to change her diet since the recent milk crisis. Many best-selling milk brands such as Mengniu, Yili and Bright were discovered to contain melamine , which is usually used to make plastic. The bad milk products have sickened more than 5,300 babies and killed four. "I shifted to rice porridge," she said. "My mom has to get up at 5:50 am to prepare my breakfast and make sure that it cools down when I get up." Deng has become addicted to milk, so she doesn't quite enjoy her morning meal these days although she knows that it's a tiring job for her working mom. "I'll turn back to Mengniu and Yili when they finally improve their products," she said. However, right now Deng's mom tries to adjust her eating habits by cooking different foods. Besides rice porridge, noodles, egg soup and soybean milk are prepared as her breakfast.
Answer: Because milk becomes more and more expensive.

A: According to the passage, why do some students stop drinking milk?
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Q: Article: Using too much water or throwing rubbish into our rivers are clear ways that humans can put our water supply in danger , but we also affect our water supply in less obvious ways. You may wonder how paving a road can lead to less useable fresh water. A major part of the water we use every day is groundwater. Groundwater does not come from lakes or rivers. It comes from underground. The more roads and parking lots we pave the less water can flow into the ground to become groundwater. Human activity is not responsible for all water shortages . Drier climates are of course more likely to have droughts than areas with more rainfall, but in any case, good management can help to make sure there is enough water to meet our basic needs. Thinking about the way we use water every day can make a big difference, too In the United States , a family of four can use 1. 5 tons of water a day! This shows how much we depend on water to live, but there's a lot we can do to lower the number. You can take steps to save water in your home. To start with use the same glass for your drinking water all day. Wash it only once a day. Run your dishwasher only when it is full . Help your parents fix any leaks in your home. You can even help to keep our water supply clean by recycling batteries instead of throwing them away.
Answer: Throwing rubbish into lakes.

A: Which of the following is most likely to lead to less groundwater?
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Q: Article: GOLDEN, British Columbia (AP)---A 3-year-old girl found alive in the upside down wreckage of an airplane survived because she was _ in a car seat, rescuers said. They said they knew she was OK when she cried for her teddy bear. Sunday's crash killed Kate Williams' pilot-grandfather, Allen D. Williams, 65, and another passenger, authorities said. The plane was found nose down and turned over in the icy water at the edge of a riverbank in the mountains of southeast prefix = st1 /British Columbia. "What saved her life was being strapped into that car seat," said Mike Plonka, a member of the search-and-rescue team. "You could see that she was very frightened. Her big concern at the time was her little teddy bear. She didn't want to leave without it. . . " "She was just pointing at it and calling it 'Baby'. " he said Monday. The girl suffered head injuries but was reported as stable, hospital officials in Golden said. She was reunited with her parents. Police said the Cessna 172 was on its way to Edmontonwhen it took off from Golden around 1 pm Sunday into low clouds and snow. Visibility was poor. An hour later, the Search and Rescue Centre in Victoria picked up the plane's emergency signal from somewhere near the BlaeberryRiver. A team using a hand-held beacon locator found the wreckage, and two military search and rescue technicians--Sgt. Scott Elliston and Master Cpl. Bruno Lapointe---landed nearby in a helicopter. As they checked for survivors, they discovered the girl alive but surrounded by debris in the back of the plane. The two soldiers tried to remove her from the wreckage, but she made it clear she didn't want to leave without her teddy bear. "I got her out and I handed her to Bruno. She was calling out for her teddy bear. I picked up the teddy bear to give it to her but it was covered with snow. She wasn't too happy that it was covered with snow so I brushed it off. "Elliston said. Williams was CEO and founder of Edmonton-based A. D. Williams Engineering Inc. The passenger who was killed, Steven T. Sutton, was chief financial officer. The two had been attending a business meeting in Golden. The cause of the accident was under investigation.
Answer: 2.

A:
How many passengers died in the accident?
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