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:
Ottawa, Canada (CNN) What's going on with Justin Trudeau? Since his surprising election last October, Trudeau has enjoyed soaring popularity as the young, hip, progressive Prime Minister of Canada. Blessed with charm, good looks, a name and a photogenic family, he has become an overnight international celebrity. Promising "sunny ways" after a decade of the divisive politics of Stephen Harper and his Conservatives, Trudeau and his Liberals have proclaimed a new tone of civility in Parliament in their seven months in office. But all that dissolved on the floor of the House of Commons Wednesday in a fracas both unseemly and unprecedented. At the center was a less saintly Trudeau: petulant, impatient and later, embarrassed and "unreservedly" apologetic.Andrew Cohen: Canadian Prime Minister involved in a parliament fracas that has some questioning his maturity for jobCohen: He apologized, but popular PM has lost his shine; has learned early lesson on governing, discipline, the scrutiny of celebrity 
 Question:"I apologize to my colleagues, to the _ as a whole and to you, Mr. Speaker, for failing to live up to a higher standard of behavior," he said Thursday.
answer:
House of Commons


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The wife of a man jailed for killing his own brother has vowed to stand by her man. Mark Lowe, 32, from Skelmersdale, Lancashire, is currently serving a five-year sentence for beating and kicking his brother Wayne to death, after Wayne, then 33, attacked him in his bed with a knife. Mark's wife Sarah is now looking after three young children alone and said: '[Mark] will regret what he did for the rest of his life, because he loved his brother.' Mark Lowe, 32 (left), is currently serving a five year sentence for beating and kicking his brother Wayne (right) to death, but his wife Sarah (bottom) is standing by her manMark Lowe, 32, beat his brother Wayne, 33, to death last SeptemberWayne, who was known for being violent, attacked Mark in bed with a knifeMum-of-three Sarah Lowe insists her husband, a nurse, is a good manMark is now serving a four year eight month prison sentence 
 Question:But prosecutors accepted a manslaughter plea 'on the basis of a loss of control' as he was first attacked by a knife-wielding _.
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Wayne


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A trespasser carrying a suspicious package jumped over the White House railings last night - the latest in a string of embarrassing security breaches to hit the US capital. The intruder was arrested after climbing into the grounds of the President's home at 10.25pm. Brian Leary of the United States Secret Service - the federal agency in charge of protecting the President - said the unnamed person was in custody in Washington DC and charges were pending. He added that the intruder, whose gender or age has not been released, had been 'immediately' apprehended by officers in the uniformed division of the Secret Service.Trespasser managed to get into grounds of presidential residenceSecret Service in Washington DC claim they made an 'immediate' arrestIntruder's parcel was examined but deemed not to be a riskBreach comes a few days after a gyrocopter landed on Capitol's lawn 
 Question:Last September, a knife-wielding man managed to scale the fence on the north side and get into _ itself via an unlocked door.
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White House