Definition: 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: 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