input: Please answer the following: Write a multi-choice question for the following article, with the given choices and answer: Article: Restoring the quake-hit ecosystems is a question of balancing the interests of the local people and the environment.Rural methane projects can reduce the number of locals taking fire-wood from the mountainsides.The use of straw as food for animals will ensure that vegetation can grow.In Sihai township and Dazhuangke village, in Beijing, they now have a forestry coverage of 85% or more, compared to the 30% they had 15 years ago.Back then, land was used very inefficiently: one person would use 20 mu of forest just for firewood.With those pressures on the ecosystem, no amount of spending on reforestation will succeed.Then the government relocated the population and paid those who remained to tend the forest and provide coal.This reduced the pressures on the ecosystem and it was able to recover naturally. When an ecosystem has not been pushed past certain limits, it is able to recover on its own.Human involvement should only play a minor role, including after an earthquake.This is particularly the case for sandy grasslands, grasslands deserts, the mountains of the south and the northern sides of mountains in the north.In these areas soil remains and the water, light, heat and nutrients needed are available.Less human involvement is even more appropriate in areas with a small population, where it can avoid money being wasted on ineffective efforts, such as creating forests in dry areas. The creation of nature reserves should be a model to allow damaged ecosystems to recover.Funding can start at the national level; centrally-funded nature reserves can enforce environmental protection laws and help to promote the local economy.This will solve the problems of reserves being run to make money.When national reserves are funded, local governments will be able to adopt the same model and provide the funds for nature reserves from their own budgets.The first project should be established in nature reserves hit by the quake; these can then become models for other areas. Options: A forbid locals from taking firewood from the mountainside B encourage local people to feed their animals just with straw C spend large amounts of money relocating the population D protect the environment without harming locals' interests Answer: D protect the environment without harming locals' interests Question:
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output: To restore the quake-hit ecosystem, government should _ .

input: Please answer the following: Write a multi-choice question for the following article, with the given choices and answer: Article: If boy wizard Harry Potter uses his magic to capture the hearts of millions of teenagers, high school students Gabriella and Troy have charmed American boys and girls with their stories of campus life. They are the leading characters in High School Musical, a series of hugely successful films in the US. The sequel , High School Musical 3, came out on October 24 and has topped the American box office for two straight weeks. The show has everything attractive to teenagers -- dancing, catchy music, puppy love and good looks. The story starts when high school basketball star Troy and brainy Gabriella -- _ -- meet during the winter break. At a karaoke contest they discover their love for singing and an interest in each other. When school starts, Troy finds out that Gabriella is the new girl at his school. Eager to find the magic they had during karaoke, Troy and Gabriella decide to audition for the school's upcoming musical. This angers the school's drama queen Sharpay. However, they overcome difficulties and become the leading actors. But the story doesn't end there. High School Musical 2 follows their adventures over summer vacation when Sharpay tires to break up Troy and Gabriella. In the latest sequel, high-school seniors are facing the possibilities of being separated from each other as they go off in different directions when graduating from high school. Joined by the rest of their friends, Troy and Gabriella stage a musical reflecting their experiences, hopes and fears about the future. "The success of the High School Musical films shows Disney's long-term efforts to attract youngsters for whom Mickey Mouse seems to babyish," wrote New York Times reporter Dave Itzkoff. "For the time being, the movie has made fictional high school students as recognizable as that 79-year-old mouse." Options: A Boy wizard -- Harry Potter. B High school students Gabriella and Troy. C A successful show -- High School Musical. D Disney's long-term efforts. Answer: C A successful show -- High School Musical. Question:
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output: What is the passage mainly about?

input: Please answer the following: Write a multi-choice question for the following article, with the given choices and answer: Article: The piano on which Mozart wrote all of his late works returned home to Vienna for the first time since his death in 1791.The piano will stand in his former Vienna home, now a museum, for two weeks, ending in a concert of the works by Mozart. Mozart bought the instrument from Anton Walter, the most famous piano maker of his time, in 1782.He wrote more than 50 works for the piano on it, many of them in the apartment in Vienna.After Mozart's death, Constanze, Mozart's wife, gave the instrument to their elder surviving son, Carl Thomas, who donated it to the Mozarteum Salzburg on what would have been the composer's 100th birthday.The piano is now part of the permanent exhibition in the Austrian city of Salzburg. " It was very hard to let it go," said Matthias Schulz, director of the Mozarteum Salzburg." If we didn' t know it was in the best hands, we wouldn' t have done it." The piano is much smaller and lighter than modern concert ones.Its sound is fresher and brighter than that of a modern piano, with lighter action and hammers . Piano restorer Josef Meingast, who has looked after the Mozart piano since 1975, said it was superior to any of its surviving copies.Meingast said he had to fight to replace the existing strings , dating from a 1973 restoration, with softer ones that produce a rounder sound thought to be more similar to what Mozart would have produced. Russian pianist Alexander Melnikov, who planned to give a concert of Mozart' s music on the piano on November 7, said he was privileged to play such an instrument.It's easily the biggest day of a musician' s life." Options: A is now being owned by the Mozart family B has been kept by Carl Thomas since Mozart died C is much bigger and heavier than modern ones D is part of the permanent exhibition in the city of Salzburg Answer: D is part of the permanent exhibition in the city of Salzburg Question:
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output:
According to the passage, the piano _ .