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].

Q: (CNN) Did Attorney General Jeff Sessions perjure himself in testimony at his Senate confirmation hearing? On Thursday, Sessions recused himself from any investigation of the campaign and has indicated he will send a clarification note to the Senate Judiciary Committee. Sessions met with a Russian diplomat twice last year in Washington -- the same one that cost Michael Flynn his national security adviser job when Flynn failed to disclose the contact to Vice President Mike Pence. Here's the reason this is suddenly controversial: Sessions did not mention his meetings with the Russian representative during his confirmation hearing, and testified that he knew of no contacts between Russians and Trump surrogates.Danny Cevallos: Perjury charges against Attorney General Jeff Sessions are unlikelyIt would be difficult to prove willful intent to give misleading testimony, he says 
 Question:I have been called a surrogate at a time or two in that campaign and I did not have communications with the _."

A: Russian
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Q: (CNN) Though many individuals likely contributed to the President's decision to fire FBI Director James Comey, one notable one may have been Roger Stone, a 64-year-old close friend of Donald Trump and central figure in the FBI investigation into Trump campaign ties to Russia. In the middle of the Watergate scandal, Stone, who engaged in dirty tricks during Richard Nixon's 1972 campaign, was discovered to have hired a Republican operative to infiltrate the George McGovern campaign and was subsequently fired from his job. After the President's resignation, Stone remained an ardent Nixon apologist and loyalist. He even had the man's face tattooed on his back and devoted his life to ruthless, anything-goes politics (or political consulting, as you may know it). Stone's motto was and continues to be: "Admit nothing, deny everything, launch counterattack." And anyone who has watched Trump closely over the years would think it was his personal slogan, too.Michael D'Antonio: Roger Stone has undoubtedly influenced President Trump's decision to fire James ComeyAs an old friend and political adviser, Stone has taught Trump be ruthless -- particularly when protecting himself from attackTherefore Comey, who was leading the investigation into Trump campaign ties to Russia, had to be taken out, writes D'Antonio 
 Question:Then, in the spring of 2016, _ seemed to embrace him again.

A: Donald Trump
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Q: (CNN) -- Novak Djokovic matched Roger Federer's feat of three successive titles at the Dubai Tennis Championships by crushing the world No. 2 in Saturday's final. The Serbian, who also beat Federer in the Australian Open semifinals last month on the way to winning his second grand slam, triumphed 6-3 6-3 in one hour and 11 minutes to clinch the 20th ATP Tour crown of his short career. The 23-year-old, seeded second, claimed the $386,000 first prize as he denied his Swiss opponent a fifth title in Dubai and 68th overall. "Any time I win against Roger it's a great success because he's such a great player. We all know how mentally strong of a player he is," Djokovic, who trailed 3-1 in the second set, told the ATP Tour website.Second seed Novak Djokovic beats Roger Federer 6-3 6-3 in Dubai finalSerbian wins the event for the third year in a row to match Swiss opponentFour-time winner Federer has now been beaten twice in Dubai finalsWomen's No. 1 Caroline Wozniacki beaten in Qatar final by Vera Zvonareva 
 Question:It was _'s second defeat in a Dubai final, having also lost in 2006 to current No.

A:
Roger Federer
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