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].

Example Input: Washington (CNN) If Donald Trump's campaign aides like Paul Manafort were contacting Russian officials during the campaign, then the President had nothing to do with it, claims former Trump campaign manager Corey Lewandowski. "If anybody crossed a line and gave information to a foreign agent or foreign government or foreign intelligence official, whether that's Paul Manafort or it's Rick Gates or anybody else, I hope they're held accountable," Lewandowski told David Axelrod on "The Axe Files," a podcast from the University of Chicago Institute of Politics and CNN. He later added: "Any staffer who contacted or potentially contacted a Russian agent or a Russian official has done so on their own accord and not at the direction of the campaign, the President or anybody else in the administration."Lewandowski attempted to shield the PresidentManafort has denied the alleged contact as "100% not true" 
 Question:Lewandowski and _ were considered part of two rival power centers in the campaign during the time they overlapped.
Example Output: Paul Manafort

Example Input: Havana, Cuba (CNN) Hurricane Irma, which devastated much of the Caribbean in September, has claimed a new victim: Raul Castro's succession plans. On Thursday, Cuban officials said the island was still dealing with the aftermath of the killer storm and needed to postpone long-held plans for Castro, 86, to retire on February 24, 2018, when his second five-year term ends. It was to have been the first time that Cuba was ruled by a leader not named Castro since the 1959 revolution that swept Raul Castro's older brother Fidel Castro to power. The wrath of Irma, however, delayed the Communist-run island's single party elections process, which appoints the Cuban National Assembly that in turn selects Cuba's president.Cuba, dealing with Hurricane Irma aftermath, says Castro will retire in April instead of FebruaryCastro has indicated first Vice President Miguel-Diaz Canel has his blessing to be the next president 
 Question:"My second and last term will have concluded," _ told Cuban lawmakers on Thursday, "and Cuba will have a new president."
Example Output: Raul Castro

Example Input: Convicted murderer Lee Bates is now living in fear of his own life after the deranged killer he helped send to prison for life is on the run following the 'Shawshank Redemption' escape from a maximum-security prison. Bates, 38, turned state's evidence against Richard Matt in 2008, telling a court of a 27-hour ride of terror as Matt searched for the perfect place to kill and dismember his former boss. Bates had been sentenced to 15 years to life a decade earlier and was released last August. But now, as the manhunt for Matt and his fellow escapee David Sweat has spread to three countries with authorities admitting they have no idea where the men are, Bates is wondering if he did the right thing.Convicted murderer Richard Matt, 48, escaped from upstate New York correctional facilityMatt's accomplice in the murder of businessman William Rickerson was Lee Bates, 38, who was released from prison last AugustBates says he was forced to join Matt in the sadistic murderHe testified that  Matt 'twisted on [Rickerson's] head. I heard a pop'Matt later returned and lop off his arms and legs with a hacksaw and threw the dismembered body into the Niagara RiverBates' father tells Daily Mail Online that his son has reason to be afraid 
 Question:He killed _ shortly after being released for those crimes.
Example Output:
William Rickerson