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: Seoul (CNN) A man drove a construction vehicle Tuesday into the gate of a South Korean prosecutor's office intending to kill the woman at the center of a major political scandal, authorities said. The man came from a rural town to the prosecutor's office in Seoul to "help Choi Soon-sil die," said Han Jeung-sub, a detective at the Seocho Police Station. Choi is a friend and informal adviser to South Korean President Park Geun-hye, and she has been described as a Rasputin-like character to the leader. Accusations that Choi was the recipient of leaked official state documents have led to noisy demands for Park's ouster, with thousands taking to the streets over the weekend demanding she step down.President's friend and informal adviser taken into "emergency detention"Confidante faces questioning over allegations she received classified documents 
 Question:_ is expected to name new secretaries this week, according to local media.

A: Park Geun
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Q: Barcelona took a major step towards qualification for the last four of the Champions League after they dismantled Paris Saint-Germain on Wednesday night. Sportsmail's ADAM CRAFTON takes a look at five things we learned from Barcelona's emphatic  victory. Super Suarez It feels rather strange now but there was a time last summer when we were all wondering whether Luis Suarez - with his penchant for a human-based snack during football matches - was worth all that money for Barcelona. There can be no question anymore. It is now 17 goals for the season and Barcelona's front three, spearheaded by Suarez, Lionel Messi and Neymar is the most in-form in world football.Luis Suarez scored a brace while Neymar also netted in 3-1 win at PSGSuarez has 17 goals for the season after slow start to life at the Nou CampSuarez, Lionel Messi and Neymar is the best front three in world footballPSG missed Zlatan Ibrahimovic's world-class qualities in their defeat 
 Question:_ scores his second of the night to give Barcelona a 3-0 lead in their tie at Paris Saint-Germain.

A: Luis Suarez
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Q: In an embarrassing blow to its perception from an increasingly skeptical public, the Nigerian military Thursday retracted a report that nearly all the 129 school girls kidnapped by suspected Boko Haram militants had been released. Just hours after a parent of an abducted girl claimed the Defense Ministry lied Wednesday about all but eight girls finding freedom, the director of defense said the initial report was "not intended to deceive the public." Maj. Gen. Chris Olukolade's statement didn't indicate how many of the girls were still unaccounted for. "The number of those still missing is not the issue now as the life of every Nigerian is very precious," it said.Parents accuse the military of lying about the number of girls who are freeOne father says it's only 14 of 129; official says at least 30 girls escapedMilitary continues to search forest in northeast Nigeria, official says 
 Question:Armed militant groups in Nigeria's northeastern region are nothing new, but _ has taken the violence to unprecedented levels since 2009.

A:
Boko Haram
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