instruction:
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].
question:
(CNN) Iraqi Prime Minister Haider al-Abadi took to live television early Monday to announce the start of an operation to recapture the city of Falluja from ISIS. Speaking on Iraqi state TV from the military's Joint Operations Command in Baghdad, Abadi said Iraqi security forces would provide safe passage for civilians to leave the city during the operation. Abadi's overnight announcement came hours after Iraq's military implored residents of ISIS-held Falluja to flee their homes ahead of the operation to wrest the metropolis from the terror group. "I am calling for citizens who are inside Falluja to leave their areas and head towards safe corridors," military spokesman Brig. Gen. Yahya Rasoul said on Iraqi TV. "In the coming few days, the operations to liberate Falluja will be launched."Iraq's military tells Falluja residents to flee the city before anti-ISIS operation launchesISIS took control of the metropolis in January 2014 
 Question:_ planes have dropped thousands of leaflets -- safe passage cards -- on Falluja, according to a statement from Iraq's Joint Operations Command.
answer:
Iraqi


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(CNN) -- Slumping World No.2 Rory McIlroy and defending champion Luke Donald will not be contesting the weekend action at the European Tour's flagship event at Wentworth. With organizers still reeling from the controversy surrounding Sergio Garcia's "fried chicken" jibe, the star attractions comfortably failed to make the halfway cut Friday at the PGA Championship. McIlroy 2013 travails continued as he followed a first round 74 with a 75 to finish on five-over 149 -- three outside the qualification mark. McIlroy's Northern Ireland colleague Graeme McDowell, who is leading the European Tour's Race to Dubai, finished on the same mark, while Donald, who went to No.1 in the rankings last season with his second straight title at the tournament, was a further shot adrift.Rory McIlroy misses cut at PGA Championship at WentworthWorld No.2 three shots outside the mark on the West CourseHolder Luke Donald and Race to Dubai leader Graeme McDowell also exitItaly's Francesco Molinari leads the way at flagship event 
 Question:But _, who came into the $6 million event saying he was pleased with his game, could offer little in the way of explanation for his poor showing.
answer:
Rory McIlroy


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What kind of weapon can shoot down a fully loaded passenger jet flying at nearly 33,000 feet? That could be a key question in the Malaysia Airlines Flight 17 crash investigation, as officials try to determine what was responsible for Thursday's plane crash in volatile eastern Ukraine. A radar system saw a surface-to-air missile system turn on and track an aircraft right before the plane went down, a senior U.S. official told CNN's Barbara Starr. And a second system saw a heat signature at the time the airliner was hit. The United States is analyzing the trajectory of the missile to pinpoint where the attack came from, the official said.Senior U.S. official: Radar saw surface-to-air missile system track aircraftA sophisticated surface-to-air missile was more likely used, experts sayOne possibility is the Russian-made Buk missile system, retired Army officer saysThe sophisticated weapon would require professional soldiers, expert says 
 Question:Such weapons travel with _ troops at the division level, Francona said.
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Russian


