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. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].

[EX Q]: (CNN) Donald Trump is aiming to pull off one of the greatest political comebacks in history. The Republican nominee is rebounding from a summer of repeated stumbles that threatened to undermine his candidacy, underscoring his ability to claw his way back and stay competitive despite controversies that would sink any other politician. Poll: Nine weeks out, a near even race Trump and Hillary Clinton enter the critical post-Labor Day phase of the campaign in a dead heat. A CNN/ORC national poll released Tuesday finds Trump ahead of Clinton by two points -- 45% to 43% -- among likely voters. The race is also tight among registered voters, where Clinton has a three point advantage. Both findings are within the margin of error.CNN/ORC national poll shows Trump, Clinton in a dead heatTrump needs to make election a referendum on Clinton 
 Question:Unless he starts making headway soon, with early voting only weeks away, it may take something that jarring for _ to win.
[EX A]: Donald Trump

[EX Q]: Britons are by far the biggest adopters of contactless payments in Europe as the use of the system continues to climb across the continent, new figures reveal. More than one billion contactless transactions worth €12.6billion took place in Europe over the last 12 months – a three-fold increase when compared to the same period in 2014, according to Visa Europe. Britain is the country with the highest number of contactless transactions, with 52.6million worth more than €330million made in March alone, followed by Poland and Czech Republic, with 49.7million and 13.9million transactions respectively. This rapid growth in the UK was fuelled in part by the launch of contactless payments on Transport for London services last September, Visa Europe said.The UK issues the highest number of contactless cardsBritons made 52.6million transactions worth more than €330million in MarchSome 1.1billion contactless transactions worth €12.6billion were made by Visa cardholders across Europe in the last 12 months 
 Question:_ is a payments technology business owned and operated by member banks and other payment service providers from 37 countries across Europe.
[EX A]: Europe

[EX Q]: (CNN) A judge in Massachusetts on Friday sentenced a teenager to serve at least 40 years in prison for killing, raping and robbing his high school math teacher. Philip Chism,17, stood in handcuffs, his face expressionless, as sentences by Superior Court Judge David Lowy were read aloud, following emotional victim impact statements from family and friends of the slain teacher, Colleen Ritzer. "He is pure evil, and evil can never be rehabilitated," said Peggie Ritzer, Colleen's mother, furious because Chism would eventually be eligible for parole. "We will never get a second chance and neither should he." Chism did get a life sentence on the murder charge but could have gotten parole after 25 years because of recent court rulings that limit sentences for juvenile murder defendants."He is pure evil, and evil can never be rehabilitated," victim's mother saysPhilip Chism, 17, will have to serve at least 40 years in prisonHe was convicted of killing, raping and robbing his high school math teacher in 2013 
 Question:During the trial, Chism's defense attorney argued that _ has suffered from a psychotic disorder since a young age and that he responded to voices and hallucinations at the time of Ritzer's killing.
[EX A]:
Philip Chism,17