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.

Example Input: (CNN) -- At the beginning of 2008, everything seemed set for Bill Clinton. His wife, Hillary, had the money and the endorsements to run for the presidency. She also had the experience and the talismanic Democratic last name. Everything was in place for Bill's return to the White House, this time as first gentleman. Then came Iowa, when the supposedly unstoppable Hillary for president locomotive was derailed by Barack Obama, a first-term senator from Illinois. Bill Clinton couldn't believe that this Johnny-come-lately might block his wife's path to the White House. Bill Clinton and Barack Obama may be making common cause now, but four years ago the future president drove the former president crazy.President Obama has actively embraced Bill Clinton for help on raising money and gaining votersMichael Takiff: Obama needs Clinton in his campaign, Clinton craves political relevanceHe says four years ago, Obama drove the former president crazyTakiff: Whatever his feelings toward Bill Clinton, Obama should listen to him 
 Questions:Once the nomination fight ended, _ was quick to dismiss her ill feelings toward Obama. (A) CNN (B) Bill Clinton (C) Hillary (D) Democratic (E) Bill (F) White House (G) Iowa (H) Barack Obama (I) Illinois (J) Johnny (K) Obama (L) Michael Takiff (M) Clinton (N) Takiff
Example Output: (C)

Example Input: (CNN) December 2017 marks one year before Elizabeth Line trains start to whisk commuters under London's streets. But the line is already having an impact on the London property market -- triggering a spike in house prices near the stations, slashing commute times and opening new residential areas for commuters. Royal Purple The $20 billion Elizabeth Line -- called Crossrail while it's still under construction -- will be named in honor of the UK's Queen Elizabeth II. It will add a rather regal shade of purple to the red, yellow, green and blue-colored lines on London's famous Tube map, and a much-needed 10% expansion to central London's transport capacity.The Elizabeth Line will open in December 2018.Brexit uncertainty has resulted in a 2% drop in house prices.House prices near Crossrail stations grew by 39% in three years. 
 Questions:Although it's not yet open, the _ has already led to significant "Crossrail effects" on London property. (A) CNN (B) Elizabeth Line (C) London (D) Royal Purple (E) Crossrail (F) UK (G) Elizabeth II (H) Tube (I) Brexit (J) House
Example Output: (B)

Example Input: Columbus, Ohio (CNN) Hillary Clinton is narrowing her choices for a running mate, intently focusing on a handful of potential candidates as her team closes in on the final weeks of vetting before she makes a decision in less than a month, several Democrats watching the process tell CNN. With her long Democratic primary fight now over, Clinton has privately signaled she is less concerned about choosing someone who fills a specific liberal or progressive void, rather than selecting a partner who is fully prepared for the job and has a strong camaraderie with her. The list of serious vice presidential candidates is believed to be smaller rather than larger, with Democrats close to the campaign placing it at no more than five contenders. But several aides acknowledged they were not sure, considering the secrecy imposed on the process by Clinton.Hillary Clinton narrows her choices for a presidential campaign running mateAmong those considered: Sen. Tim Kaine, Sen. Elizabeth Warren and HUD Secretary Julian Castro 
 Questions:The real scrutiny, though, comes through the work of _ lawyers and researchers who are assigned specific candidates and are walled-off from others. (A) Columbus (B) Ohio (C) CNN (D) Hillary Clinton (E) Democrats (F) Clinton (G) Tim Kaine (H) Elizabeth Warren (I) HUD (J) Julian Castro
Example Output:
(E)