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: 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.

Answer: California


Question: (CNN) -- President Barack Obama is poised to make his case to the country on the next steps for tackling the threat posed by ISIS. Certainly, ISIS' advances this summer -- including the seizure of territories in Iraq and Syria, declaration of a new "caliphate," and its killings of thousands in Iraq and Syria, including two American journalists -- have been a wake-up call. What should the President keep in mind as he prepares to deliver his speech Wednesday? Here are five key questions he should answer in his speech and as he follows up in the coming weeks: What metrics will the United States use to gauge the success of airstrikes in Iraq and possible additional strikes in Syria?President Barack Obama is set to outline his strategy to counter ISIS on WednesdayObama should outline how exactly he will gauge success, say Brian KatulisBuilding lasting coalitions will be essential, Katulis writesKatulis: Administration should make clear what support it will offer forces opposing ISIS 
 Question:Inside of Iraq, millions have been displaced by the multiple waves of conflict inside the country, including the most recent conflict in northern _ with ISIS.

Answer: Iraq


Question: Philadelphia (CNN) The Democratic A-list on Wednesday cast Donald Trump as a threat to the American dream -- and Hillary Clinton as the nation's only chance to save it. President Barack Obama called Trump a "homegrown demagogue." Michael Bloomberg dismissed him as a "con." And Vice President Joe Biden, in rejecting Trump, declared that "Americans have never, ever, ever, ever let their country down." How Obama made some anti-Trump Republicans jealous They set the frame for the Democratic National Convention's most important moment: Clinton's speech Thursday night. Here are six takeaways from the third night in Philadelphia: Obama: 'the America I know'President Obama gave a strong endorsement of Hillary Clinton and denounced Donald TrumpJoe Biden and Michael Bloomberg also used speeches to take down Trump 
 Question:From a video introduction that focused on the work left to do to achieve Obama's vision, the President made clear that _ is the only person capable of solidifying his legacy.

Answer:
Hillary Clinton


