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].
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Question: Bernie Ecclestone says Lewis Hamilton is as good as Juan Manuel Fangio, Michael Schumacher and all the other greats of the track. The Formula One Group chief executive was speaking in his air-conditioned office in the Sepang paddock before Sunday's Malaysian Grand Prix, squinting through his John Lennon glasses at the state of the sport he has spent his life moulding. F1 has taken a pounding from the public and pundits since the processional opening race in Melbourne a fortnight ago. Only 75 per cent of the cars started. Only 11 drivers finished. Several teams are on the brink of bankruptcy.Bernie Ecclestone described Lewis Hamilton as '100 per cent box office'Formula One ringmaster believes Mercedes driver is 'great for the sport'He also criticised Sebastian Vettel for not 'putting himself out there' after winning four consecutive wold championships at Red BullEcclestone, 84, speaking ahead of Sunday's Malaysian Grand Prix called for sprinkler system to be introduced at six racesHe wants controversial double points ruling to return to the sport, tooCLICK HERE for all the latest F1 news 
 Question:Bernie Ecclestone, 84, rates Hamilton as the best world champion _ has ever had.

Answer: F1


Question: We're not bluffing, the Obama administration told Afghanistan on Tuesday in announcing for the first time it has started planning for the possible withdrawal of all U.S. troops by the end of the year if no security agreement is signed. Statements by the White House and Defense Secretary Chuck Hagel showed President Barack Obama's impatience with Afghanistan President Hamid Karzai's refusal to sign the agreement that would keep several thousand American troops in the country after combat operations conclude this year. In a phone call with Karzai on Tuesday to discuss upcoming elections for a new Afghan leader, Obama made clear that time was running out to properly plan for keeping any U.S. forces in the country beyond 2014, the White House said.President Obama calls Afghan leader to discuss security agreementObama orders planning for bringing home all U.S. troops at the end of 2014Afghan President Karzai refuses to sign a deal to keep some troops thereThe White House says an agreement could happen after Karzai leaves office in April 
 Question:Obama, he said, has been very clear that the possibility of U.S. troops staying in Afghanistan depends "on whether we have a bilateral security agreement signed by the Afghani government, to assure our rights of our troops and other important elements that are required any time _ has troops in another country."

Answer: U.S.


Question: (CNN) Philippines President Rodrigo Duterte has clarified his comments that seemed to call for a split from the United States, saying he was advocating a "separation of foreign policy" rather than "a severance of ties." Addressing a press conference in Davao City after his return from a state visit to China, Duterte said: "It is not severance of ties. You say severance of ties, you cut the diplomatic relations. I cannot do that. "Why? It is in the best interest of my country that we maintain that relationship. Why? Because there are many Filipinos in the United States. Well, Americans of Filipino ancestry.Philippines president clarifies his remarks about relations with the US"It is not severance of ties," President Rodrigo Duterte says 
 Question:More than 1 million _ work in call centers and data processing, servicing mainly the United States.

Answer:
Filipinos


