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].

Lagos, Nigeria (CNN) The father of one of the missing Nigerian schoolgirls abducted from Chibok two years ago has told CNN he is overjoyed to see her alive on a new video released by the terrorist group Sunday. Yakubu Kabu confirmed to CNN that he saw his daughter speaking in the new video, which demands the release of Boko Haram fighters in exchange for the kidnapped girls. The Nigerian government has said it is still "in touch" with Boko Haram and "working for the girls' release," the Federal Ministry of Information and Culture said on their official Facebook page. "We are being extremely careful because the situation has been compounded by the split in the leadership of Boko Haram," said Alhaji Lai Mohammed, Minister of Information of Culture, according to the statement.A Boko Haram militant tells Nigeria to release jailed fighters in exchange for abducted girlsThe man says at least 40 of the girls have been married off 
 Question:They believe that _'s longtime leader, Abubakar Shekau, has released this video to assert his authority over the militant group.
Boko Haram

They were worlds apart in life. Heath Ledger, a Hollywood actor. Simon Millington, a qualified auto-electrician and the son of duck farmers from country Victoria. But both men, the doting fathers of little girls, died just years apart from the same phenomenon - the abuse of prescription drugs, described as an epidemic in Australia by anti-drug abuse groups. Now Kim Ledger, the late Academy Award winner's father, has joined an effort to fight prescription drug abuse after he was moved by a 'heartwrenching' letter from Simon's mother, Margaret. The letter said Simon 'wanted to stay well for Maddie', his young daughter, 'but the hideous disease of addiction slowly crept back up again' and he died of a pain medication overdose in 2010.Heath Ledger's father Kim is the patron of a new effort to raise awareness about prescription drug abuseHe got on board after receiving a 'heartwrenching' letter from the mother of a drug abuse victim'His life mattered,' wrote victim's mother, Margaret Millington, who influenced Mr Ledger to sign upMr Ledger told Daily Mail Australia their letter was what influenced him to sign up to the effortHe was today appointed the Patron of a new not-for-profit to fight prescription drug abuse, Scriptwise 
 Question:'His life mattered': Simon Millington, pictured here with his young daughter _, died in 2010 after a sixteen year fight with prescription drugs which he became addicted to after being caught in a car accident in August 1994.
Maddie

PARIS, France (CNN) -- Friends and relatives of the 216 passengers and 12 crew members on Air France Flight 447 are coming to terms with the news that wreckage from the flight was found in the Atlantic Ocean. Eithne Walls, who danced with Riverdance on Broadway, was aboard Air France flight 447. Among those on board were a member of Brazil's former royal family, a one-time performer with the Riverdance troupe, a Rio city official, executives from major international companies and an 11-year-old British schoolboy. Pedro Luis de Orleans e Braganca, 26, was a descendant of the family that ruled Brazil until 1889, a branch of the former Portuguese royal family. The Orleans and Braganca family considered him to be fourth in line to the throne. Pedro Luis was the oldest son of Prince Antonio and Princess Christine, the family said. He was the only member of the family on the flight, his relatives said.Member of Brazil's former royal family among 216 passengers on missing planeOne-time performer with Riverdance troupe, British schoolboy also aboardAir France flight disappeared over Atlantic after taking off from BrazilMajority of the presumed dead came from Brazil, France and Germany 
 Question:The passengers included 61 people from _, 58 Brazilians, 26 Germans and people from 29 other countries, Air France said.

France