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.

(CNN) First, consider this: It's the summer of 2019 and a dozen Democratic presidential candidates are gathered onstage for a debate somewhere in the Midwest. The network moderator concludes her introductions and tees up the opening question. "Who here tonight supports moving the United States toward a single-payer, or 'Medicare for all,' taxpayer-funded health care system?" Pause it there and rewind to January 2016 in Iowa. The caucuses are days away, and Hillary Clinton is fending off an unexpected challenge from Sen. Bernie Sanders. The discussion turns to single-payer, and Clinton balks. "People who have health emergencies can't wait for us to have a theoretical debate about some better idea that will never, ever come to pass," she tells voters in Des Moines, explaining her campaign's focus on preserving and expanding Obamacare, while dismissing the progressive insurgent's more ambitious pitch.Sanders campaigned relentlessly against the Republican bills, mostly in the Midwest and Rust Belt.Public opinion polls have begun to show more support among Democrats for single-payer. 
 Questions:If _ fail to claw back enough seats in next year's midterm elections, the health care conversation will remain in its current state: purely hypothetical. (A) Democratic (B) Midwest (C) United States (D) Medicare (E) Iowa (F) Hillary Clinton (G) Bernie Sanders (H) Clinton (I) Des Moines (J) Obamacare (K) Sanders (L) Republican (M) Rust Belt
(A)

(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
(B)

(CNN) As Hurricane Nate swept over Louisiana's coast, the flooding that Mother Nature brought to New Orleans with watery, improbable fury earlier this summer was still on the minds of the people who live in the city. Three unnamed rainstorms in as many weeks fell in America's shining city in a bowl. The last one, on August 5 -- a near "100-year storm" -- dropped more than 8 inches of rain in a matter of hours. It overwhelmed a less than functioning drainage system, exposed local government's limits to respond, and flooded neighborhoods to levels not seen since Hurricane Katrina in 2005.Jeffrey Thomas: New Orleans highlights the need for cities to be properly equipped to mitigate the damage of disastersThomas: To make cities more resilient, infrastructure, land use, funds, and public-private communications need to be adapted 
 Questions:All of it is federal funding received after _ and successive hurricanes. (A) Nate (B) Louisiana (C) Mother Nature (D) New Orleans (E) America (F) Katrina (G) Jeffrey Thomas (H) Thomas

(F)