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].

David Cameron today joked he had doubled the security around Larry the Downing Street cat after the 'murder' of a dog at Crufts. The Prime Minister attacked the 'unbelievable awful' killing of the award-winning Irish setter Jagger, who was killed by poisoned meat allegedly fed to him at the dog show. He said he could not understand how anyone could poison a family dog and quipped that he would ramp up security around Number 10's resident cat. Prime Minister David Cameron today joked he had doubled the security around Larry the Downing Street Mr Cameron, speaking to Heart radio, insisted he was not overly concerned about the safety of Larry.PM said he could not understand how anyone could poison a family petIrish setter Jagger died 24 hours after returning from Crufts this weekendCameron said: 'Who would do that? It's an unbelievably awful thing to do'Said Larry the Number 10 cat was 'probably pretty' inside Downing StreetHe added: 'I'll double the security around him and make sure he's okay' 
 Question:_'s owners are convinced the dog was the victim of meat poisoning.
Jagger

(CNN) Hillary Clinton saw Bernie Sanders' New Hampshire blowout and raised him one in South Carolina. Riding the strength of her support among African-Americans to a resounding victory in the Palmetto State, Clinton seized the momentum in the Democratic presidential race -- winning her third of four early-state contests just three days before the race goes national on Super Tuesday. Here are five takeaways from South Carolina's Democratic primary: Clinton's going national It was a bumpy ride through the early states -- but Clinton's firewall of minority support held, helping her seal a close contest in Nevada and then turn South Carolina into her first dominant win of the 2016 race. Headed into Super Tuesday, the confidence Clinton's campaign had after October and November is back.Clinton's firewall not only held, but her blowout win gives her new momentum into Super Tuesday84% of African-American voters went for Clinton 
 Question:Two more important exit poll findings: Most voters say race relations haven't improved in recent years -- and very few Democratic voters trust _ more than Clinton on race-related issues.
Bernie Sanders

(CNN) The execution of Shia cleric Sheikh Nimr al-Nimr in Saudi Arabia at the weekend has triggered a predictable diplomatic crisis. Iran immediately condemned the move, the Saudi Embassy in Tehran was attacked by angry demonstrators, and Saudi Arabia then severed diplomatic ties with the country. On Monday, Bahrain, Sudan and the United Arab Emirates followed suit. Yet despite the war of words, it is important to remember that this crisis is merely a microcosm of a wider geopolitical chess game between Saudi Arabia and Iran. And it might also need some outside help to prevent it escalating further. Sunni-majority Saudi Arabia must have known that the execution of a senior Shia cleric would exacerbate existing grievances within the region, especially with Shia-dominated Iran. After all, both countries claim leadership within the region and beyond. And both use sectarianism as a tool to buttress their goals.Arshin Adib-Moghaddam: Saudi Arabia-Iran crisis about power politics, not Sunni vs ShiaU.S. invasion of Iraq in 2003 fundamentally changed Saudi view of the region, he says 
 Question:Until that recent opening, _ had been a convenient bogeyman for regional crises.

Iran

