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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].
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Has there ever been more at stake in any mixed martial arts fight? Jose Aldo is the only featherweight champion in UFC history, is undefeated in 10 years, and is ranked as the No 1 pound-for-pound fighter in the world. He couldn't have more to lose. At the same time, Conor McGregor has talked so much and made so many promises that a loss could seriously derail the Irishman's surging hype train and even cut the supply of his huge cash flow. This is the biggest fight in UFC featherweight history and of both of these fighters' careers. They also have the hopes of a nation on their backs, particularly McGregor who will once again bring thousands of travelling Irish with him to Las Vegas.Jose Aldo fights Conor McGregor at the MGM Grand on Saturday nightIt is biggest fight in UFC featherweight history and in both fighters' careersThe fight will be live on BT Sport 2 in the UK at around 3am GMT 
 Question:Both men are undefeated in the UFC with Aldo set to make his eighth title defence and McGregor looking for his sixth knock-out in his seventh _ bout.
answer:
UFC


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Floyd Mayweather Jnr and Manny Pacquiao come face-to-face in Los Angeles on Wednesday . The meeting marks the first, and only time, the pair will square-off ahead of the weigh-in, 24 hours before their mouth-watering May 2 blockbuster bout, so it promises to be explosive. The press conference gets under way at 8.30pm (UK time) and Sportsmail will bring you live coverage so be sure to tune in. Floyd Mayweather and Manny Pacquiao (right) come face to face on stage in Los Angeles on Wednesday Mayweather arrives in Los Angeles for the press conference, accompanied by his security team Pacquiao, trainer Freddie Roach (right) and Bob Arum (second left) pose as they arrive in Los AngelesFloyd Mayweather and Manny Pacquiao went head-to-head in Los AngelesPair meet in their first and only press conference ahead of May 2 fightPacquiao arrived first along with trainer Freddie Roach and Bob ArumMayweather accompanied by entourage - including Justin BieberREAD: Mayweather and Pacquiao get the red carpet treatment 
 Question:_ is a veteran at these promotional days and is clearly in his element, laughing and joking as he poses for pictures on the red carpet.
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Floyd Mayweather Jnr


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(CNN) -- A Canadian town slipped out of a tense fear and into mourning overnight with the arrest of a man suspected of killing three police officers and wounding two others. 'I'm done," suspect Justin Bourque yelled as he gave up, a nearby resident who watched the 24-year-old's arrest through a window told CNN partner CBC. He was unarmed, although police found weapons nearby, said Marlene Snowman, a superintendent for the Royal Canadian Mounted Police. Authorities offered no explanation for the rampage in the town of Moncton, New Brunswick. Charges against him would be filed later, Snowman said. RCMP Assistant Commissioner Roger Brown identified the slain officers as Constables David Ross, 32, Fabrice Georges Gevaudan, 45, and Douglas James Larche, 40.NEW: "I can't dig deep enough to explain the sadness," police official saysNEW: Police release the names of the officers killedMoncton resident says suspect was arrested on her yardSWAT teams swarmed neighborhoods and surrounded buildings 
 Question:"Suddenly, one of the _ trucks stopped and unloaded officers, and they proceeded to go to my backyard."
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SWAT