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].

[Q]: The family of schoolgirl Alice Gross have demanded to know how her murderer got into Britain despite killing his wife in his native Latvia. The 14-year-old went missing in August last year and her body was discovered the following month in the Grand Union Canal in Ealing, west London. Her killer Arnis Zalkalns, 41, had been named as a suspect in her disappearance but his body was later found hanging in a woodland nearby. Police later confirmed that the Latvian builder, who had come to the UK in 2007, was responsible, and the CPS announced that he would have been charged with murder if alive.Alice went missing last year and body later found in canal in west LondonThe man suspected of killing her was found hanging in woodland nearbyArnis Zalkalns had been jailed in native Latvia for 7 years for killing his wifeCame to UK in 2007 and in 2009 was arrested on suspicion of sex asault 
 Question:Mr Thacker told the court, that _'s nationality was not the issue here and that Alice's family 'just want answers'.
[A]: Arnis Zalkalns


[Q]: (CNN) The sooner babies get their own rooms, the longer they'll sleep on average, according to a new study that breaks with the recommendations of the American Academy of Pediatrics. Analyzing surveys from 230 first-time mothers at Penn State, Dr. Ian Paul, a pediatrician, found that babies slept for longer stretches if they didn't sleep in the same bedroom as their parents. At 4 months, babies who slept alone had the longest stretches of uninterrupted sleep -- by about 45 minutes, on average -- though they slept about the same amount of time as babies who slept in their parents' rooms.Babies who slept in their parents' rooms slept for shorter periods, a new study findsA leading pediatrics group recommends room-sharing with infants until 1 year 
 Question:The _ sample was also "not terribly diverse in terms of socioeconomic or racial diversity," which could cast doubts upon how much this research speaks for the general population, Moon said.
[A]: Penn State


[Q]: The likelihood of another interest rate cut has more than doubled after $40 billion was wiped off the Australian sharemarket on Monday. The S&P/ASX 200 was down 2.4 per cent at 3.26pm over fears Greece will be forced to leave the eurozone. The Greek government unexpectedly failed to secure a bailout plan with eurozone ministers this weekend and the country looks certain to miss its debt repayment to the IMF on Tuesday. IG markets strategist Evan Lucas told AAP: 'Unfortunately this could probably be our worst day in two or three years, you’d probably be going back to 2011 or 2012.'Australian market plunges on fears Greece will be forced to leave the euroThe Greek government unexpectedly failed to secure a bailout plan with eurozone ministers this weekendLikelihood of the RBA cutting official interest rateshas more than doubled 
 Question:‘Meaning that _ financial meltdown is almost a mathematical certainty.’
[A]:
Greece