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. Among the entities, try to find the best entity that is most likely to fill in "_" and classify the answers based on options.

[EX Q]: (CNN) An Australian senator with close ties to a prominent Chinese businessman and political donor has stepped down amid growing concerns about China's influence over Australian politics. Opposition Labor party Senator Sam Dastyari announced his resignation early Tuesday morning after weeks of pressure, saying he wanted to spare his party further distraction. "I have always honored my parliamentary oath, I've always acted with integrity and I remain a loyal patriotic Australian," Dastyari told reporters as he announced his resignation. The Dastyari controversy prompted the introduction of new security laws last week, including a complete ban on foreigners donating to Australian political parties.The Chinese government reacted furiously to allegations of influence in AustraliaDastyari has previously been accused of working closely with Chinese donors 
 Questions:"The Chinese integrity of its borders is a matter for _," he told the gathering. (A) Australian (B) Chinese (C) Opposition Labor (D) Sam Dastyari (E) Dastyari (F) Australia
[EX A]: (B)

[EX Q]: Lagos, Nigeria (CNN) Facebook founder Mark Zuckerberg's visit to Nigeria, his first to sub-Saharan Africa, has put the country's tech businesses firmly in the world's spotlight. Zuckerberg staged a surprise visit to the country's economic capital Lagos on Tuesday and his first stop was a local innovation center and tech hub in Yaba, an area on the mainland of Lagos known as Nigeria's Silicon Valley. There was no fanfare amid tight security and some of those working at the Co-Creation Hub, called CcHUB, didn't even know Zuckberg was coming. He appeared nervous, a little startled even, as he launched into an impromptu speech about why he was there.Zuckerberg causes a stir with surprise visit to Nigeria on TuesdayEntrepreneurs say it will give country's startup industry a boost 
 Questions:Successful startups in _ thrive against the odds of weak infrastructure, anemic power supply and general lack of funding and investment. (A) Lagos (B) Nigeria (C) CNN (D) Facebook (E) Mark Zuckerberg (F) Saharan Africa (G) Zuckerberg (H) Yaba (I) Silicon Valley (J) Co (K) Creation Hub (L) CcHUB (M) Zuckberg (N) Entrepreneurs
[EX A]: (B)

[EX Q]: (CNN) Hillary Clinton saw Bernie Sanders' New Hampshire blowout and raised him one in South Carolina. Riding the strength of her support among African-Americans to a resounding victory in the Palmetto State, Clinton seized the momentum in the Democratic presidential race -- winning her third of four early-state contests just three days before the race goes national on Super Tuesday. Here are five takeaways from South Carolina's Democratic primary: Clinton's going national It was a bumpy ride through the early states -- but Clinton's firewall of minority support held, helping her seal a close contest in Nevada and then turn South Carolina into her first dominant win of the 2016 race. Headed into Super Tuesday, the confidence Clinton's campaign had after October and November is back.Clinton's firewall not only held, but her blowout win gives her new momentum into Super Tuesday84% of African-American voters went for Clinton 
 Questions:Bill Clinton campaigned across the state for his wife, allowing the _ campaign to capitalize on the sort of surrogate Sanders could never possibly match. (A) CNN (B) Hillary Clinton (C) Bernie Sanders (D) New Hampshire (E) South Carolina (F) African (G) Americans (H) Palmetto State (I) Democratic (J) Super Tuesday (K) Nevada (L) American
[EX A]:
(B)