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: A friend played an elaborate prank on his mate by pretending to be a woman his chum met at a Halloween party - and engaging him in a lengthy text exchange. Ollie, from Portrush, Northern Ireland, tricked his unnamed friend after the pal left with the woman he met in Kelly's nightclub but didn't get her number. Mischievous Ollie then texted his Army-worker friend, from Lisburn, the next day pretending to be the mystery woman and even arranged to meet up with her for a date. The friend thought he was texting the unnamed woman for two days, sprinkling his messages with endearments and calling her 'babe' before Ollie took pity on him and broke the news during a Facetime chat.Ollie, from Northern Ireland, pranked his mate who met a girl on a night outHe pretended to be Rachel and flirted with him for two days over textBut after making a date to 'Netflix and chill' Ollie reveals the truth to his pal 
 Question:He sent: 'Hi it's _ from last night from Kelly's,' adding that he hoped she got home safely after the drunken evening.

Answer: Rachel


Question: (CNN) As the Summer Olympics in Rio de Janeiro, Brazil, officially kick off with the opening ceremony on August 5, here are some key facts and figures to celebrate the first Olympic Games hosted by a South American country. 4,600 Brazilian real: The cost of the most expensive opening ceremony ticket (about $1,400 as of this publication). The least expensive opening ceremony ticket is only sold in Brazil and costs 200 real (about $60). 10: Rio's opening ceremony budget is 10 times less than the total spent on the London 2012 opening ceremony. 12,000: Number of Olympic torchbearers. The torch will pass through all 26 Brazilian states and reach 90% of the Brazilian population.Two sports join the Games this year: golf and rugby sevens42 sport disciplines will be represented in all 
 Question:380,000: Number of foreign spectators expected to arrive in _ during the Games.

Answer: Rio de Janeiro


Question: (CNN) Thursday's attack in Dallas provides a reminder that violent extremism and terrorist attacks are not the province of any one ideology. Instead, political violence has a long history in the United States and not just from people drawn to Osama bin Laden and his successors' vision of global jihad. The suspected Dallas sniper who killed five police officers has been identified as Micah Xavier Johnson, a 25-year-old from Mesquite, Texas. The Dallas shootings, like the one carried out last year by Dylann Roof on a black church in Charleston, South Carolina, that left nine people dead, were politically motivated.Dallas attack seemingly first instance of deadly terrorism from extreme left in post-9/11 era, Peter Bergen and David Sterman sayDallas a reminder violent extremism isn't province of any one ideology, they say 
 Question:Killing white police officers who are guarding a peaceful demonstration certainly qualifies as terrorism, in the same way that _'s attack on black churchgoers does.

Answer:
Dylann Roof