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].

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.
America

A California man who created a stir on social media after claiming he was served a deep fried rat in his chicken tenders at a LA KFC has been left red-faced after lab results were revealed on Monday. An independent lab confirmed the 'rat tender' security guard Devorise Dixon bought at a unspecified Los Angeles location was really chicken. Dixon's lawyers turned the 'hard and rubbery' tender in for testing on Friday and KFC announced the favorable finding for the Colonel on Monday. KFC spokesperson Rodrigo Coronel admitted on Monday that Dixon's 'sensational' claim did 'receive considerable publicity', according to ABC.Devorise Dixon got attention after claim he got a fried rat at California KFCSaid manager confirmed it was a rodent, apologized, and offered free mealDixon's lawyers turned in tender for testing at independent lab on FridayCompany announced lab results confirmed meat was chicken on MondayKFC wants Dixon to apologize and 'cease making false claims' about brand 
 Question:After Dixon's allegation began circulating on social media, _ posted the following statement to the company Facebook page: 'KFC takes customer claims very seriously, and we are continuing to investigate this matter.
KFC

A bill banishing the Confederate flag from the grounds of the South Carolina state capitol was signed into law today by governor Nikki Haley. Surrounded by supporters of the swift move to kick out the rebel battle banner in the wake of a racist massacre in Charleston, Haley appended her signature to a bill which was passed Thursday morning. The controversial symbol will be taken down 10am Friday and moved to the South Carolina Confederate Relic Room and Military Museum, just under a mile away in the city of Columbia. South Carolina legislators approved the bill at 2am Thursday morning, and Haley signed it into law around 4pm Thursday afternoon.Flag due for removal in 10am ceremony at state capitol in ColumbiaIt is due to be taken to a museum just under a mile awayState legislature voted to remove controversial symbol on ThursdayGovernor Nikki Haley signed new law to remove it later that dayPassions around the flag inflamed after Charleston church massacreKiller Dylann Roof posed with flag and admired the ConfederacyPresident Barack Obama was among those pushing for its removal 
 Question:Speaking at the eulogy of a pastor who was among _'s victims, he said: 'Removing the flag from this state’s capital would not be an act of political correctness.

Dylann Roof