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].

Barcelona took a major step towards qualification for the last four of the Champions League after they dismantled Paris Saint-Germain on Wednesday night. Sportsmail's ADAM CRAFTON takes a look at five things we learned from Barcelona's emphatic  victory. Super Suarez It feels rather strange now but there was a time last summer when we were all wondering whether Luis Suarez - with his penchant for a human-based snack during football matches - was worth all that money for Barcelona. There can be no question anymore. It is now 17 goals for the season and Barcelona's front three, spearheaded by Suarez, Lionel Messi and Neymar is the most in-form in world football.Luis Suarez scored a brace while Neymar also netted in 3-1 win at PSGSuarez has 17 goals for the season after slow start to life at the Nou CampSuarez, Lionel Messi and Neymar is the best front three in world footballPSG missed Zlatan Ibrahimovic's world-class qualities in their defeat 
 Question:_ scores his second of the night to give Barcelona a 3-0 lead in their tie at Paris Saint-Germain.
Luis Suarez

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'.
Arnis Zalkalns

A Virginia widow is calling for justice after her two-year-old golden retriever died from heatstroke on Friday following what was supposed to be a routine grooming appointment at Petco. After Allison Marks dropped her dog Colby Jack off at a Chesterfield County Petco for the grooming session, she called the store because no-one contacted her to say the appointment was over. An employee told her to meet the Petco's assistant manager at an animal hospital and a veterinarian informed her that Colby had probably died of heat stroke when she arrived. The manager said Colby had been left in a heated drying cage by accident after the groomer departed to attend a graduation and forgot about the dog, according to Marks.Allison Marks dropped Colby Jack at Chesterfield County, Virginia, PetcoCalled store after no one alerted her about end of grooming appointmentMet store manager at animal hospital and was informed Colby was deadColby left in a heated drying cage by accident after the groomer departedMarks wants to press charges and said she will 'get justice for Colby' 
 Question:She posted on Facebook that her 'sweet baby' had been taken away 'too soon thanks to _'.

Petco

