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.
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Question: (CNN) -- Grigor Dimitrov and Milos Raonic have often been talked about this year as being part of the next generation of players who can break up the dominance of tennis' Big Four. But judging by his display at the U.S. Open, Marin Cilic could be the most likely candidate. Cilic became only the third men's player outside Roger Federer, Rafael Nadal, Novak Djokovic and Andy Murray to win a grand slam title since early 2005 when he crushed Kei Nishikori 6-3 6-3 6-3 in under two hours in New York on Monday. Few, however, would have seen it coming -- last year the 25-year-old Croatian didn't play at the season's final major because he was serving a drug suspension.Marin Cilic defeats Kei Nishikori in New York to claim his first majorCilic and Nishikori were each playing in their first grand slam finalA year ago Cilic didn't play at the U.S. Open as he served a drug banNishikori was trying to become the first Asian man to win a major 
 Questions:He showed his frustration at 2-4 after he struck a short ball that allowed _ to pounce with a forehand. (A) CNN (B) Grigor Dimitrov (C) Milos Raonic (D) Big Four (E) U.S. Open (F) Marin Cilic (G) Roger Federer (H) Rafael Nadal (I) Novak Djokovic (J) Andy Murray (K) Kei Nishikori (L) New York (M) Croatian (N) Nishikori (O) Asian

Answer: (F)


Question: Washington (CNN) Donald Trump's incoming administration is increasingly becoming Mike Pence's dream team. Trump's decision to tap Seema Verma -- Pence's own Medicaid policy consultant in the Indiana governor's office -- to head the Centers for Medicare and Medicaid Services provided the clearest evidence yet of the prominence Pence and his conservative allies will have in Trump's Washington. CNN's 'Unprecedented': Here's Mike? The strange evolution of the relationship of Pence and Trump Trump's choices so far have reflected Pence's politics -- potentially proving helpful on Capitol Hill, where the Indiana governor and former House Republican leader has long been expected to help Trump most. Pence's devotion to conservative principles -- and his relationships with powerful groups, including the Heritage Foundation -- have allowed him to help Trump navigate a Washington terrain that is unfamiliar to the billionaire business mogul who just ran his first campaign for any office.A Mike Pence aide said Tuesday Donald Trump and the incoming VP consult on all Cabinet picksPence took over Trump transition planning from New Jersey Gov. Chris Christie 
 Questions:When Pence was first picked as Trump's running mate, the courtship was awkward at best, with Trump at one point -- after selecting _ -- fretting over whether he could retract the offer. (A) Washington (B) CNN (C) Donald Trump (D) Mike Pence (E) Trump (F) Seema Verma (G) Medicaid (H) Indiana (I) Centers for Medicare and Medicaid Services (J) Mike (K) Cabinet (L) New Jersey (M) Chris Christie

Answer: (D)


Question: Saudi Arabia will not rule out building nuclear weapons to defend itself against Iran, its ambassador to the United States has said. Adel Al-Jubeir told CNN the 'kingdom of Saudi Arabia will take whatever measures are necessary to protect its security'. Iranian officials are due to meet with world leaders to negotiate a relief in sanctions against the country in return for Tehran curbing its nuclear programme. But Al-Jubeir claimed that other countries in the Middle East are 'concerned' about the prospect of Iran developing nuclear weapons. The Gulf nation and its allies today launched airstrikes against Houthi rebels inside Yemen for a second day straight - in a move it claims protects its southern border from attack.Saudi Ambassador to US said they will take measures to protect countryHe said Middle East countries worried Iran will develop nuclear weaponsIranian officials are due to meet with world leaders for 'nuclear talks' soonSaudi-led airstrikes targeted Iranian-backed rebels in Yemen again todayThe Gulf nation wants to avoid potential attack from its southern border 
 Questions:Some experts believe the escalating conflict in Yemen (pictured) is turning into a proxy war between the _'s and Yemen. (A) Saudi Arabia (B) Iran (C) United States (D) Adel Al-Jubeir (E) CNN (F) Iranian (G) Tehran (H) Al-Jubeir (I) Middle East (J) Gulf (K) Houthi (L) Yemen (M) US

Answer:
(A)