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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.
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UFC


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(CNN) -- When she was a public health administrator for the state of California, Kathryn Hall-Trujillo found that her greatest challenge was paying for babies who were born sick. "The figure we were working with at that time was about $300,000 ... to stabilize a baby for the first 90 days," said Hall-Trujillo, who worked for the state from 1976-1991. At the same time, she said, it cost just $2,000 to ensure pregnant mothers received all the care they needed for a healthy pregnancy and proper delivery. The staggering disparity, along with troubling rates of infant mortality in America, compelled Hall-Trujillo, 62, to find a solution.Birthing Project USA helps soon-to-be mothers find guidance and supportThe goal of the mentoring program is to prevent babies from being born sickKathryn Hall-Trujillo came up with the idea while she was a public health administratorDo you know a hero? Nominations are open for 2010 CNN Heroes 
 Question:"We've been doing this long enough now that you can hear a child -- 20 years old -- say, 'I was born into the _,' " Hall-Trujillo said.
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Birthing Project USA


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(CNN) Amtrak's president says the company is "profoundly sorry" after a train derailed this week in Washington state and hurtled off an overpass onto a freeway, killing three people. "We share everyone's sense of urgency to identify exactly what caused this to happen, and we continue to fully cooperate with the investigation being led by the NTSB," Richard Anderson said in a statement. All the crew members are hospitalized, and the National Transportation Safety Board is setting up interviews with them to get more details on Monday's crash of Amtrak Cascades 501 near DuPont, Washington. The train was on its inaugural journey from Seattle to Portland, Oregon.Governor says Amtrak has said it will pay for all costs from deadly crashCascades 501 train was traveling at 80 mph in a 30-mph zone when it crashed 
 Question:"There are a thousand unanswered questions about this right now," _ Gov.
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Washington