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].

Input: Consider Input: (CNN) -- The daughter of Cuba's president supports the re-election bid of U.S. President Barack Obama, but believes he could do more were it not for the pressures he is facing, she said in an interview broadcast Monday on "CNNi's Amanpour." "As a citizen of the world, I would like him to win," said Mariela Castro Espin, daughter of Raul Castro, in the exclusive interview, which was conducted Friday in New York. "Given the choices, I prefer Obama." The 49-year-old gay rights advocate said that Obama has been constrained in his ability to effect change. "He wants to do much more than what he's been able to do," she said. "That's the way I interpret it personally. I don't know if I'm being objective.""I would like him to win," Mariela Castro says of Obama's election bid"Obama needs another opportunity," she addsCastro says Alan Gross and the "Cuban 5" should be released 
 Question:Castro was unswayed by _' recent request that he be allowed to visit his 90-year-old mother before she dies if he promises to return afterward to prison in Cuba.

Output: Alan Gross


Input: Consider Input: Virginia is poised to execute a convicted serial killer who claims he's intellectually disabled using lethal injection drugs from Texas because the state's supply of another controversial drug will expire the day before the execution is supposed to take place. Unless Gov. Terry McAuliffe or the U.S. Supreme Court steps in this week, Alfredo Prieto will be executed Thursday - the first Virginia inmate to be receive the death penalty in nearly three years. The El Salvador native was already facing execution in California for raping and murdering a 15-year-old girl when a Virginia jury sentenced him to death in 2010 for the 1988 killings Rachael Raver and her boyfriend, Warren Fulton III.Alfredo Prieto raped and murdered a 15-year-old girl in CaliforniaHe also murdered a Virginia couple in 1988 and will be executed ThursdayPrieto claims he has a 'significant brain dysfunction' from a malnourished childhood in El Salvador but psychologists say he is brightThe state will use a lethal three-drug cocktail partially supplied by TexasVirginia has executed 110 people since 1976, the third highest state 
 Question:_ officials agreed to send him to Virginia on the rationale that it was more likely to carry out the execution.

Output: California


Input: Consider Input: Video footage of Russia's latest arms race has emerged - in a test of speed featuring two tanks. Soldiers in the rebel held city of Luhansk, in Eastern Ukraine, pitted a Russian T-72 tank against a captured Ukrainian T-64 Bulat - with a predictable outcome. After driving to a farmer's field, the Russian built machine, made in 1986, was put up to race against the fully loaded Ukrainian weaponry, which had been modernised in 2005. The contest, which took place over a distance of 402 metres, was filmed by drones as well as from inside the losing tank. The resulting video, complete with musical accompaniment, was placed on YouTube.Each tank had three crew and full combat load during 402 metre raceThe contest was filmed by a drone and from inside the Ukrainian tankUkrainian sources say its tank had been fitted with extra-heavy armour 
 Question:Over the course of the unusual drag race, the T-72 can be seen clearly outpacing the heavier _ armoured vehicle.


Output: Ukrainian