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.

[EX Q]: Washington (CNN) -- President Barack Obama used a Memorial Day ceremony to say it is time for America to properly welcome home Vietnam veterans and show them and their families the respect and gratitude they deserved but didn't receive decades ago. "You came home and sometimes were denigrated when you should have been celebrated," Obama said beneath a scorching sun at the Vietnam Veterans Memorial. "It was a national shame, a disgrace that should have never happened. That's why here today, we resolve that it will not happen again." The event, which launched a 13-year Vietnam War 50th anniversary commemoration, was the culmination of a day of somber events on the annual holiday honoring America's war dead.NEW: President Obama calls the denigration of Vietnam veterans a "national shame""America will be there for you," Obama tells veterans and their familiesMemorial Day launches a 13-year commemoration of the Vietnam War's 50th anniversaryObama lays a wreath to the fallen at Arlington National Cemetery 
 Questions:"We choose that course in _ not so that we win wars but so we can prevent wars, because a strong America is the best deterrent to war there ever has been invented," Romney said. (A) Washington (B) CNN (C) Barack Obama (D) Memorial Day (E) America (F) Vietnam (G) Obama (H) Vietnam Veterans Memorial (I) Vietnam War (J) Arlington National Cemetery
[EX A]: (E)

[EX Q]: Bobbi Kristina, the ill-fated daughter of Whitney Houston and Bobby Brown, was a drug addict by the time she was 14 years old according to an explosive new book which reveals shocking new details about the short lives of the singing superstar and her only child. Whitney & Bobbi Kristina: The Deadly Price of Fame, written by Ian Halperin, portrays Bobbi Kristina as a wild child who never stood a chance growing up in an environment where her own mother was too consumed by her own drug demons and sexuality issues to be a functioning parent. The book emerges just six months after a drug overdose left Bobbi Kristina, 22, in a coma from which doctors have said she is unlikely to ever regain consciousness.A new book portrays Bobbi Kristina as a wild child who never stood a chance growing up with a drug addict for a motherBobbi Kristina was only 14 when she was committed to a psychiatric hospital for trying to stab her mom and slash her own wristsLater Whitney cancelled her daughter's 18th birthday party after photos appeared in the press of the teenager snorting cokeAuthor Halperin speculates that Whitney's own addiction problem was due to her being a lesbian who had chosen to deny her true sexualityWhitney & Bobbi Kristina: The Deadly Price of Fame, written by Ian Halperin, is out on Monday 
 Questions:_ always adamantly denied she was a lesbian, but husband Bobby even expressed his own doubts in his memoir. (A) Bobbi Kristina (B) Whitney Houston (C) Bobby Brown (D) Whitney (E) Deadly Price of Fame (F) Ian Halperin (G) Halperin
[EX A]: (B)

[EX Q]: British officers were forced to accept the four-day inspection from the experts from Moscow despite heightened tensions with Vladimir Putin Russian military inspectors have arrived at a huge Nato war games exercise off the coast of Scotland, it emerged yesterday. British officers were forced to accept the four-day inspection from the experts from Moscow under a European arms control treaty despite heightened tensions with Vladimir Putin. They are attending Exercise Joint Warrior, designed to send a signal to the President in the face of continuing aggression. Britain and 11 other Nato countries are set to contribute to the naval exercise, which was hailed by the Government as one of the largest land, air, and sea training exercises run in Europe.British officers forced to accept four-day inspection from Moscow expertsUK and 11 other Nato countries set to contribute to the naval exerciseWill involve 58 warships and submarines, 50 aircraft and 3,000 land forces 
 Questions:The _ regularly conducts similar inspections on other nations’ territories. (A) British (B) Moscow (C) Vladimir Putin (D) Russian (E) Nato (F) Scotland (G) European (H) Exercise Joint Warrior (I) Europe
[EX A]:
(A)