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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Question: (CNN) In 2004, Mostafa Salameh had a vivid dream: he was praying for peace on the top of a mountain. "I woke up sweating and I saw myself on top of the world," Salameh tells CNN. Back then, Salameh had no expedition experience, little money and couldn't have pointed to Mount Everest on a map. Fast forward to 2017, and he has become the first Jordanian to complete the "Explorers Grand Slam," which entails climbing the Seven Summits, including Mount Everest, and reaching the North and South poles. Only 15 other people have ever achieved the Grand Slam. His amazing life has now become the subject of an international book, published by Bloomsbury and endorsed by King Abdullah II of Jordan and British adventurer Ranulph Fiennes.Mostafa Salameh has become the first Jordanian to climb the Seven Summits, and trek to both the North and South polesHe has released a book "Dreams of a Refugee: From the Middle East to Mount Everest" detailing his adventures 
 Question:Almost immediately afterward, Salameh stopped partying, smoking and began training for the _.

Answer: Explorers Grand Slam


Question: A girl who overheard part of an incident involving Florida teenager Trayvon Martin can help prove he was killed "in cold blood" by George Zimmerman, a neighborhood watch volunteer, an attorney for Martin's family said Tuesday. The girl, who was dating the 17-year-old, "completely blows Zimmerman's absurd self-defense claim out of the water," lawyer Benjamin Crump told reporters. The girl -- who he said does not wish to be identified -- "connects the dots" about what happened that day when she lays out what she overheard while on the phone with him, he said. 911 calls paint picture of chaosSanford police say they asked all witnesses to come forwardGovernor says he will work to see "justice prevails"George Zimmerman was bleeding from the nose and back of his head, a police report saysThe 17-year-old was not armed when he was killed last month in Florida 
 Question:In his statement last week, _'s father said his son never followed or confronted Trayvon.

Answer: George Zimmerman


Question: Washington (CNN) -- House Speaker John Boehner blasted President Barack Obama on Thursday for saying no U.S. combat troops would be placed on the ground in the fight against ISIS in Syria. "An F-16 is not a strategy. Airstrikes alone will not accomplish what we're trying to accomplish," Boehner told reporters in his weekly media briefing. "The President has made clear that he doesn't want U.S. boots on the ground. Well, somebody's boots have to be on the ground," he continued. "And so I do believe that what the President has asked for, as the commander in chief, he has this authority to train the Syrian rebels, and frankly we ought to give the President what he's asking for."House Speaker John Boehner says the President's ISIS plan is not enoughObama's plan includes airstrikes against ISIS in Syria and training some Syrian rebelsStill, Boehner says he thinks Congress should authorize the President's plan 
 Question:"If our goal is to eliminate _, there's a lot of doubt whether the plan that was outlined by the President last night is enough to accomplish that mission."

Answer:
ISIS