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].

Q: 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."

A: U.S.
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Q: Jackson Martinez has arrived in Spain following his £25million move to Atletico Madrid from Porto. The Colombia striker touched down in the Spanish capital on Tuesday to join up with his new team-mates, and was mobbed by reporters and fans desperate for a glimpse of their new star man. Martinez is following in the footsteps of now-Chelsea loanee Radamel Falcao, who swapped Porto for Atletico to much success in 2011. His countryman scored 52 league goals in 68 games at the club, but Martinez was quick to distance himself from comparisons when he arrived at the airport at around 3pm on Tuesday.Jackson Martinez has left Porto to join Atletico Madrid for £25millionThe Colombia striker touched down in the Spanish capital on TuesdayNow-Chelsea loanee Radamel Falcao made the same move in 2011Martinez has distanced himself from comparisons between him and Falcao 
 Question:'_ is Falcao and Jackson is Jackson, like you are a journalist and there are others.

A: Radamel Falcao
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Q: On an exciting third day of Ashes cricket, England gave Australia a total of 412 to chase after dominating proceedings. Alastair Cook's side had a terrific morning and the captain himself was outstanding in the field. Joe Root was solid with the bat once again as he scored 60 to help the run total. Sportsmail columnist and Sky Sports pundit David Lloyd looks back on the third day of Ashes action involving arguments over umpire decisions, Ian Bell and the Cambrian Tap. Arguments raging in our commentary box about Shane Watson’s lbw being a ‘poor decision.’ In the old days the umpires would not even have considered it. Front foot, big stride and it hit him above the knee. Not out! But nowadays it’s precision cricket. Forget all that previous convention – technology predicts it’s hitting the stumps and that has changed the game completely!Australia are chasing a total of 412 in their second innings of the first TestShane Watson's lbw decision was branded as 'poor' by some peopleCaptain Alastair Cook was terrific in the field for England on FridayThe talented Ian Bell continues to show why he is undroppableAdam Lyth is impressing and showing glimpses of his qualityEngland close in on Cardiff victory - Paul Newman's day three report 
 Question:It took a good, spinning delivery from Nathan Lyon to get him out and that could be ominous for _.

A:
Australia
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