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)Politicians, journalists and conservative activists will swoop into Des Moines this weekend for a major gathering of Republicans that's widely viewed as the first cattle call this cycle for the GOP presidential race. Close to 10 potential candidates will speak at the daylong Iowa Freedom Summit on Saturday, co-hosted by the group Citizens United and Rep. Steve King, a high-profile Republican from Iowa with serious clout among social conservatives. With Iowa the first state to vote in the presidential nominating season, it's considered a must-stop for White House hopefuls on both sides of the aisle, and this weekend gives 2016 players a chance to roll out their message to core caucus-goers, strategists say.Potential GOP presidential candidates will gather in Iowa this weekendThe state holds the nation's first presidential nominating contest next year 
 Questions:Also on the social front, the House, in a battle that pitted _ against each other, passed a measure Thursday banning all taxpayer money for abortions after it failed to pass a bill that would ban so-called "late -term" abortions. (A) CNN (B) Des Moines (C) GOP (D) Iowa Freedom Summit (E) Citizens United (F) Steve King (G) Iowa (H) White House
[EX A]: (C)

[EX Q]: An 18-year-old new mother battling bone cancer has told how she is unable to get up and see to her crying daughter during the night because the disease has turned her hip to 'chalk'. 'Whenever I want to hold Casey someone has to bring her to me or they have to get everything for her, it’s upsetting when you’re a first-time mum,' Emma Drummond told Daily Mail Australia from her home on the NSW south coast. The teen, from Mount Warrigal near Wollongong, explained that if she had not become pregnant she may never have even discovered that she has bone cancer as during pregnancy doctors passed off her severe leg pain as a strain from her baby's position in her stomach.Emma Drummond, 18, was diagnosed with a rare form of cancer on May 1Her daughter Casey-Lee was born five-months earlierDoctors presumed her daughter was leaning on a nerve causing the painHowever the teen is now undergoing intense chemotherapyShe is unable to apply pressure to her hip or the cancer will spread rapidlyHer mother has been forced to give up her job to care for the both of themThe family have set up a campaign page to raise funds for the family 
 Questions:Doctors told _ that the hormones from her pregnancy had caused her cancer to become highly aggressive and had moved it along far quicker than usual. (A) Casey (B) Emma Drummond (C) Daily Mail Australia (D) NSW (E) Mount Warrigal (F) Wollongong (G) Lee
[EX A]: (B)

[EX Q]: (CNN) Russia is a step closer to facing a possible ban of its athletes from the Winter Olympics in South Korea after the World Anti-Doping Agency (WADA) upheld its decision that the Russian Anti-Doping Agency (RUSADA) remains non-compliant. WADA tweeted its ruling following a foundation board meeting in Seoul on Thursday, less than three months before the opening ceremony of the Winter Games in Pyeongchang in February. The tweet read, "WADA Foundation Board approves the recommendation by the Independent Compliance Review Committee that RUSADA remain non-compliant." Russia's anti-doping agency was initially deemed non-compliant after the 2016 publication of the McLaren report, commissioned by WADA, which found the Russian state conspired with athletes and sporting officials to undertake a doping program that was unprecedented in its scale and ambition.Doping body upholds label of non-compliance of Russian bodyDecision to keep the label moves committee one closer to banning Russian athletes from Winter Olympics 
 Questions:The head of the _ (ROC), Alexander Zhukov dismissed the accusations as "a joke." (A) CNN (B) Russia (C) Winter Olympics (D) South Korea (E) World Anti-Doping Agency (F) WADA (G) Russian (H) Anti-Doping Agency (I) RUSADA (J) Seoul (K) Winter Games (L) Pyeongchang (M) WADA Foundation Board (N) Independent Compliance Review Committee (O) McLaren
[EX A]:
(G)