A:World No . 1 men 's tennis player Roger Federer of Switzerland has reached the semifinals of the Thailand Open men 's tennis tournament , but American Robby Ginepri is out of the event . B:Switzerland is a location Answer: stone
A:Pakistani police say Taliban militants have killed two Afghan nationals for allegedly acting as spies for U.S. forces in Afghanistan . B:Taliban is an event Answer: chairman
A:In an interview with VOA Wednesday the U.S . Under Secretary of State for Political Affairs , Nicholas Burns , said Pakistan 's plan to lay land mines along parts of its border with Afghanistan is a bilateral issue . B:VOA is an artefact Answer: chairman
A:The American Civil Liberties Union has sued the government for the release of 87 photos and four videotapes taken at the U.S.-run Abu Ghraib prison . B:U.S.-run Abu Ghraib is a person 's given name Answer: chairman
A:The company runs three call centers in India , with most of the operations centered in Bangalore , India 's `` silicon valley . `` B:India is a location Answer: stone
A:Burma has released thousands of prisoners to mark the 57th anniversary of the country 's independence from Britain . B:Burma is an artefact Answer: chairman
A:Station Commander Leroy Chiao of the United States and Russian flight engineer Salizhan Sharipov spent a total of five hours , 28 minutes outside the orbiting station Wednesday . B:United States is a location Answer: stone
A:Insurgents in Iraq have carried out a series of attacks Tuesday north of Baghdad against the country 's security forces , killing at least 23 police and national guards . B:Iraq is a location Answer: stone
A:A South Korean official says Thursday 's round of talks began with a brief photo session . B:Thursday is an artefact Answer:
chairman