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.

[Q]: NEW YORK (CNN) -- John McCain has learned his lesson: Don't ever cancel on David Letterman. Appearing on CBS' "Late Show with David Letterman" Thursday, the Republican presidential candidate apologized for skipping out on a scheduled visit in September that Letterman later made the subject of an ongoing joke. "I screwed up," McCain told Letterman more than once in the interview that aired Thursday night. McCain's appearance on the show comes three weeks after he raised the ire of the generally mild-mannered host by canceling at the last minute, citing his decision to suspend his presidential campaign because of the financial crisis."I screwed up," John McCain tells David Letterman for canceling scheduled visitLetterman used McCain's no-show as subject of ongoing jokeMcCain also discussed Sarah Palin, Obama's ties to 1960s' radical William Ayers 
 Questions:When Letterman asked McCain about Palin's charge that _ "palled around with terrorists," the senator said "he did." (A) NEW YORK (B) CNN (C) John McCain (D) David Letterman (E) CBS (F) Late Show (G) Republican (H) Letterman (I) McCain (J) Sarah Palin (K) Obama (L) William Ayers
[A]: (K)


[Q]: Referee Martin Atkinson will take charge of this Sunday's Merseyside derby - the official's first at Goodison Park since he infuriated Everton fans four years ago. Atkinson will stand in his fifth clash between Everton and Liverpool, who renew hostilities at Goodison Park at 1.30pm on Sunday, having previously caused controversy in the fixture. The West Yorkshire official has sent off three players during those Mersey derbies, with his decision to show Jack Rodwell a straight red card for a foul on Luis Suarez in 2011 the most controversial. Rodwell had appeared to execute a perfectly good tackle on the then Liverpool striker, whose team went on to beat their 10-man opponents 2-0. The red card was later rescinded.Everton host Liverpool in Mersey derby at 1.30pm on SundayMartin Atkinson will officiate, having caused controversy in fixture in pastEverton were outraged at a red card shown to Jack Rodwell in 2011 
 Questions:He also took charge during _'s 4-0 win at Anfield in 2014 and the 1-1 draw last season, when Phil Jagielka's late thunderbolt secured a 1-1 draw. (A) Martin Atkinson (B) Merseyside (C) Goodison Park (D) Everton (E) Atkinson (F) Liverpool (G) West Yorkshire (H) Mersey (I) Jack Rodwell (J) Luis Suarez (K) Rodwell
[A]: (F)


[Q]: SAVANNAH, Georgia (CNN) -- Walt Peters knows what it's like to fear for his life. He knows how it feels to board a plane, deploying for combat. He knows the feeling of making it home alive. Walt Peters is often among the last people soldiers see as they deploy and the first they see upon their return. That's why the retired Vietnam veteran has stood outside at Hunter Army Airfield in Savannah, Georgia, for the past four years as a beacon of pride and support, welcoming home returning soldiers and wishing "Godspeed" to those deploying. "To me, if it wasn't for our soldiers and our veterans, we would not have this beautiful country," says Peters. "These guys are our freedom."Walt Peters welcomes soldiers home, wishes "Godspeed" to those deployingThe Vietnam veteran has greeted an estimated 20,000 soldiers since 2004He says he lost sight as a result of chemical diabetes from Agent Orange exposure 
 Questions:"When I went to _ on my tours I'd never had this. (A) SAVANNAH (B) Georgia (C) CNN (D) Walt Peters (E) Vietnam (F) Hunter Army Airfield (G) Savannah (H) Godspeed (I) Peters (J) Agent Orange
[A]:
(E)