In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].

Ex Input:
Trains crossing snowfields, winding through meadows, passing by mountains, by day and night, through winter and summer. These stunning images are the work of one photographer in his quest to capture the incredible beauty of China's railway lines. Wang Wei, 25, has travelled more than 185,000 miles over the past 10 years and taken more than 300,000 photographs across the country, reported the People's Daily Online. Now, some of the photographs will feature in a new book called Running After Trains, to be published in July. The freelance photographer tells MailOnline his new book will focus on the photography techniques for shooting trains, and he hopes his photos can show the beauty of Chinese railways to more people.Wang Wei, 25, has travelled more than 185,000 miles over past 10 years and taken more than 300,000 photographsHis obsession with trains began aged 11 when he stole his parents' camera and went down to the railway trackHe spends five months travelling every year, and has been everywhere from Gobi desert to the Russian borderSome of the photographs will feature in Wang's new book Running After Trains, due to be published in JulyChina's vast railway network is 75,000 miles long - the second largest in the world behind the United States 
 Question:'The authorities don't promote _ trains and railways often enough, but they are so beautiful and they belong to every one in China,' says Wang.

Ex Output:
China


Ex Input:
(CNN) As the President got ready to sell his latest executive order to the American public, an overhaul of the H-1B skilled worker visa program, under his "Buy American, Hire American" slogan, Ivanka Trump appeared to be busy protecting the real emerald of the Trump family's vast business empire: China. On April 6, hours before she and her husband dined with the Chinese President and his family, Ivanka's company secured provisional approval for three new trademarks to sell her brand's jewelry, bags and spa services in the world's second-largest economy. Though there is no direct evidence linking her trademark approval to the dinner or any other meeting with the Chinese government, the story does draw attention to the fine line the Trump White House is walking when it comes to maintaining its family businesses.Ivanka Trump's company gets provisional OK for 3 trademarks in China hours before she dines with Chinese PresidentBy keeping an ownership interest in her businesses, Ivanka risks an appearance of conflict of interest, Anushay Hossain writes 
 Question:Now that she is serving in the _ in an unprecedented position, Ivanka is benefiting from loose or nonexistent accountability mechanisms.

Ex Output:
Trump White House


Ex Input:
Single thongs across Australia now have the chance to find a 'solemate'. At least that’s what a new online service hopes to provide, and with a tagline of It’s like Tinder for Thongs, the chance is now there for that single and lonely ‘lefty’ or ‘righty’ to find a new life partner. Adelaide man Karl Gautam is the brains behind the new venture that started off as a laugh on Facebook, but has since become a huge fashion sensation. Adelaide's Karl Gautam wants single thongs to find the perfect partner HavyMatch Facebook page is trying to get the right match for thongs who are now on their ownKarl Gautam reckoned that there could be a market for replacement thongsThe Adelaide man set up HavyMatch Facebook page to tackle the problemIn just 11 weeks the Facebook page got more than 1,100 followersIt became so popular Mr Gautam is now working on a dedicated websiteThe new venture also hopes to make an impact environmentally 
 Question:These single thongs were washed up on an _ river bank.

Ex Output:

Adelaide