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].

Example Input: A British national held hostage in Yemen has been freed in a 'military intelligence' operation, according to Foreign Secretary Philip Hammond. The Briton, who has been identified as Robert Douglas Semple, 64, was released by United Arab Emirates forces. The freed hostage had been working as a petroleum engineer in the Yemeni province of Hadramawt when he was kidnapped in February 2014. The UAE forces were based in Yemen's main port city of Aden, according to the state news agency WAM. The Yemeni agency reported that he had been held by al-Qaeda for 18 months. Mr Semple was taken to the Yemeni port city of Aden before being flown to Abu Dhabi by military plane on Saturday night, it added.Hostage identified as petroleum engineer Robert DouglasSemple, 64He was abducted in February 2014 while working in Hadramawt provinceForeign Secretary Philip Hammond made the announcement from TehranAbductions are common in Yemen, plagued by tribesmen and Al-Qaeda militants 
 Question:Abductions are frequent as armed tribesmen and al-_-linked militants take hostages in the hope of swapping them for prisoners or cash.
Example Output: Qaeda

Example Input: Port-au-Prince, Haiti (CNN) -- Ten Americans detained last week while trying to take 33 Haitian children out of the country were charged Thursday with kidnapping children and criminal association, a government official said. Information Minister Marie Laurence Lassegue's announcement came shortly after the five men and five women left a hearing at the prosecutor's office. Under Haitian law, anyone accused of kidnapping a child is not eligible for bail, the attorney general's office said. Conviction on the kidnapping charge carries a maximum penalty of life in prison; the criminal association charge carries a penalty of three to nine years, according to a former justice minister.10 Americans charged with kidnapping, criminal associationMissionaries denied bail because kidnapping charges involve childrenMissionaries say they were trying to help children leave countryHaitian government says group was trying to kidnap children 
 Question:He expressed gratitude for the work of the vast majority of _ who have helped in the aftermath of the January 12 earthquake that he said killed at least 212,000 people.
Example Output: Americans

Example Input: With winter fast approaching, it only means one thing: the dreaded flu season is coming. Every year Australians book more than 80,000 doctors' appointments for cold and flu related illnesses alone which could be prevented by their decisions in Autumn, according to scientists. Now is the perfect time to get ready to resist the first wave of cold or flu this winter. Our lifestyle decisions in Autumn are key to ensure a sickness-free flu season, according to Sheila Zhou, expert Scientist at USANA, leading producer of high quality supplements. 'Summer is officially over, and with the cooler months often associated with sneezing, coughing, and fevers, it's no surprise many of us aren't happy about it.Every year 80,000 Australians visit the doctor because of a cold or a fluHowever, lifestyle decisions in Autumn can safeguard you from sicknessVitamin D from the sunshine is one of the best ways to boost immune systemAlthough Australia is sun soaked 44% of women are Vitamin D deficient 
 Question:Considering Australians live in a mostly sun soaked land, statistics show that a huge proportion do not get enough rays, resulting in the significant number of _ who are deficient in Vitamin D.
Example Output:
Australians