TASK 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].
PROBLEM: (CNN) A submarine is joining the Mediterranean Sea search for the black boxes that could reveal what caused the crash of EgyptAir Flight 804. The aircraft disappeared from radar last week on a flight from Paris to Cairo. Searchers have recovered parts of the plane wreckage, including passengers' personal belongings, life vests, aircraft chairs and even body parts. But they're still scouring the Mediterranean for the plane's fuselage, and for the flight data recorder and cockpit voice recorder -- key pieces of evidence that would likely reveal what went wrong on the flight. Egyptian President Abdel Fattah el-Sisi announced the deployment of the submarine Sunday. It can reach a depth of 3,000 meters (about 9,800 feet), he said.Mourners at a Cairo mosque gather in memory of the plane's pilotEgypt uses submarine to hunt for flight data and cockpit voice recorders 
 Question:The jet had routine maintenance checks in _ before it left for Paris, the airline said.

SOLUTION: Cairo

PROBLEM: Sure, St Andrews is the home of golf and Monaco hosts the most glamorous race on the Formula One circuit, but the sporting world offers so much more than what can be seen on television. With the warmer months upon us the countdown is on for all manner of festivals around the globe, with many of them revolving around intriguing, entertaining and downright wacky events. MailOnline Travel sheds some light on the most unique sporting escapes you could take this year as a spectator or in some cases even as a participant, from the historic cheese-rolling race in Gloucestershire to the Mud Olympics in Brunsbuettel, Germany.Traditional sports in Scotland's Highland Games and Mongolia's NaadamWife Carrying, Bog Snorkelling and Cheese-Rolling among the kookiestCamel Wrestling in Turkey and Prison Rodeo in the US more controversial 
 Question:Not for everyone, in particular animal welfare groups who oppose it, or the feint of heart but certainly historic - camel wrestling has been going on in _ for more than 2,000 years.

SOLUTION: Turkey

PROBLEM: He's sixth in line to the Swedish throne and his baptism has captured the attention of Swedes everywhere. However for four-month-old Prince Nicolas, his christening was largely a sleepy affair as he dozed gently in the arms of his mother Princess Madeleine, 33, while doting father New York banker Christopher O'Neill, 41, looked on. On hand to help with the ceremony's duties was Madeleine's brother Prince Carl-Philip, 36, who is Nicolas's godfather. Dressed in full ceremonial uniform, handsome Carl-Philip enjoyed a key role in the service including filling the font with water and joining five other godparents in blessing his young nephew.Prince Nicolas is son of Princess Madeleine and banker Christopher O'NeillChristening took place at Drottningholm Palace Chapel, east of StockholmThe four-month-old Swedish heir is sixth in line to the country's throneMadeleine's brother Prince Carl-Philip is the youngster's godfather 
 Question:_ was born just two days after the nuptials.

SOLUTION:
Prince Nicolas