TASK DEFINITION: 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.
PROBLEM: Article: Let's pretend we're sailing down the Rhine River on a pleasure boat. The Rhine is one of the main waterways of Germany, and the river traffic is heavy. It's interesting to watch the many boats going up and down the river. But the river traffic is not nearly so interesting as the beautiful scenery along the banks and hillsides. The boat is passing many old castles. We can see people working in the vineyards   on the hillsides. There are vineyards as far as the eye can see. Wine from the Rhine Valley is famous all over the world. Suddenly our boat slows down and begins to turn a little. We are coming to a sharp bend in the river. On our right we can see a rocky cliff over 400 feet high. At first it looks quite ordinary, but there is nothing ordinary about it. There are many stories, poems, and songs about the cliff. We are looking at the Lorelei. Then someone on the boat begins to sing in German, the song of the Lorelei. It is a song about a beautiful siren   who has lured  many sailors to their deaths. The siren is supposed to sit on the rock combing her long golden hair and singing. The sailors who hear her forget to steer , and the current of river hurls   their boats on the rocks and dashes them to pieces. Soon other people on the boat begin to sing. The beautiful song adds to special magic to the moment, and you begin to realize why so many people have made this trip down the Rhine to see the rock of the Lorelei. 
 Answer: to see the beautiful scene along the banks and hillsides

SOLUTION: The most interesting thing to those who are sailing down the Rhine River on a pleasure boat is    _    .

PROBLEM: Article: A new study has found no evidence that sunscreen, commonly used to reduce the risk of skin cancer, actually increases the risk. Researchers from the University of Iowa based their findings on a review of 18 earlier studies that looked at the association between sunscreen use and melanoma . They said that they found _ in studies that had reported associations between sunscreen use and higher risk of melanoma. Most health experts believe that by protecting the skin from the harmful effects of the sun, sunscreen helps prevent skin cancer, which is increasing in incidence faster than any other cancer in the United States. But questions have been raised about sunscreen and whether it may have the opposite effect, perhaps by allowing people to remain exposed to the sun longer without burning. The researchers said that among the problems with some earlier studies is that they often failed to take into account that those people most at risk for skin cancer--people with fair skin and freckles , for example--are more likely to use sunscreen. As a result, it may appear that sunscreen users get cancer more often. The studies, which generally relied on volunteers to recall their sunscreen use, were also unable to prove how well the products had been applied, said the new study. 
 Answer: are more in danger of skin cancer

SOLUTION: People with fair skin and freckles  _  .

PROBLEM: Article: A military train carrying soldiers has derailed south of Egypt's capital Cairo, killing at least 19 people and injuring more than 100, officials say. The train was travelling to an army camp in Cairo when it came off the tracks in the Badrashin area of Giza. It is not yet known what caused the accident. Egypt's roads and railways have a poor safety record. Last November 50 children died after a train crash into their school bus. Both the transport minister and the head of the railway authority were forced to resign   as a result  of the crash, which took place in November near Manfalut, 350km south of Cairo. Investigations later showed the barriers   at the crossing were not closed because the signal operator had fallen asleep. Monday's incident occurred as the army train was heading from Upper Egypt into Cairo.  Reports say more than 1,300 passengers were aboard the train when the accident happened shortly after midnight. The passengers wounded in the accident have been taken to hospitals, the governor of Giza said.  An eyewitness told BBC Arabic that he saw two dozen dead bodies at the scene of the accident. The latest incident could increase the pressure on the government to deal with the safety of trains, the BBC's Said Shehata reports from Cairo. Four years ago, some 18 people were killed and dozens injured in an accident crash between two passenger trains in the Giza area. And in 2002, a train caught fire in Cairo, killing 373 people. 
 Answer: 1 a.m.

SOLUTION:
The accident perhaps happened at   _   .

