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) -- 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 
 Question:This year marks the 50th anniversary of the _ deploying a significant military presence in Vietnam.
Example Output: America

Example Input: (CNN) -- Asiana Airlines Flight 214 was seconds away from landing when the passengers sensed something horribly amiss. The plane was approaching San Francisco International Airport under a beautifully clear sky, but it was flying low. Dangerously low. Benjamin Levy looked out the window from seat 30K and said he could see the water of the San Francisco Bay about 10 feet below. Even for an airport where landing strips run close to the water, the descent seemed alarming to the San Francisco man. "I don't see any runway, I just see water," Levy recalled. Further back in the Boeing 777, Xu Das had the same realization.Flight recorders have been found, the NTSB saysAsiana identifies the two 16-year-old girls killed in the crash182 people were hospitalized, while 123 were uninjuredPassengers say the plane's rear struck the edge of the runway 
 Question:Perhaps one of the reasons so many people survived Saturday's crash was because the _ is built so that everybody can get off the plane within 90 seconds, even if half the doors are inoperable.
Example Output: Boeing 777

Example Input: Real Madrid superstar Gareth Bale was one of many famous faces to take to social media following Wales' narrow victory over England in their Rugby World Cup showdown in Twickenham. Despite leading for most of the Pool A clash, the hosts were beaten 28-25 in an exciting match at the home of rugby - although Warren Gatland's side paid the cost of victory with several injuries during the tough tackling contest. The world's most expensive footballer shared an Twitter image of himself standing with a rugby ball in front of a television screen showing Wales above England in their Pool table, accompanied by the caption: 'What a game! Come on #Wales'.Wales defeated England 28-25 in the Rugby World Cup at TwickenhamReal Madrid superstar Gareth Bale led Twitter tributes after the gameRobbie Savage, Samuel L Jackson and Joey Barton also commentedEngland 25-28 Wales: CLICK HERE for Sam Peters' match report 
 Question:Bale's parents were at the game and celebrated victory with former Wales midfielder Robbie Savage who shared a picture of the group while also taking the opportunity to wind up England with the comment: 'Wow to be fair England put up a good fight against _ reserves'.
Example Output:
Wales