Given the task definition, example input & output, solve the new input case.
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.
Example: Article: There are a lot of public libraries in Britain. These libraries have more than one hundred and fifteen million books, not including those libraries of public schools. Public libraries not only lend books, music records but also help children, patients in hospitals and others to get special play readings, film shows and so on. The first public libraries were founded in about the year 1850. Today's public libraries usually have a reading-room, a lending room and a reference room. The greatest and most famous library in Britain is that of the British Library in London. It was founded in 1973 and has over 10, 000, 000 books. It has nearly every magazine, newspaper and book published in Britain and other parts across the world.
Answer: 10,000,000 or less.
Output: How many books are there in the British Library?
In the Article, 10,000,000 is mentioned for the number of books available in the British Library, so this is a good question.

New input case for you: Article: A pair of giant pandas from southwest China's Sichuan Province arrived at their new home in Belgium's Pairi Daiza zoo, some 60km southwest of downtown Brussels, at around 15:00 local time (1400GMT) on February 23, 2014. About 2,500 people, many of them excited children waving national flags of China and Belgium as well as panda-decorated flags or wearing costume of Panda greeted the pandas along the road to the zoo. Visitors today can only observe the pandas through a closed-circuit television system in the reception. Officials said they wanted the pandas fully adapted to their new home before making public _ in April. The pandas, Xing Hui, the male and Hao Hao, the female, are both 4 years old and are on lease from a breeding center in southwest China's Sichuan Province. The lease term is 15 years, according to officials with the China Conservation and Research Center for Giant Pandas, the world's largest research base for the species. "It's a good thing for Belgium." Nicole Duflot, a grandmother coming to the zoo with her husband and her grandson told Xinhua, "We can't see the Panda today but it's a great thing for us to come here." The Pandas will be living in a panda hall of 5,300 square meters within the zoo. "I hope Xing Hui and Hao Hao will enhance friendship between Belgium and China." Liao Liqiang, the Chinese ambassador to Belgium, said during an interview with Xinhua.
Answer: We meant to improve the relationship between China and Belgium.
Output:
What was the main purpose of China leasing pandas to Belgium?