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].

[EX Q]: (CNN) When Peter MacDonald, Fleming Begaye and Thomas Begay joined the elite fraternity of Navajo Code Talkers during World War II, they had no idea what they were getting into. That was by design. The top-secret program they joined wouldn't even be declassified until more than two decades later -- long after the secret Navajo code language had played a vital role in the American war effort. All they knew at the time was that the Marines were recruiting and needed help from the Navajo people. "So we all volunteered. That's how he went in, that's how he went in, that's how I went in," said MacDonald, now 90, of his two comrades. MacDonald, Begaye and Begay were at the White House on Monday to receive praise for their service.The Navajo Code Talkers used their native language to invent a secret military codeThe code was vital to the US victory in the Pacific in World War II 
 Question:But the Navajo language's syntax and linguistics are particularly tricky for non-_, and it is not written.
[EX A]: Navajo Code Talkers

[EX Q]: Former International Monetary Fund chief Dominique Strauss-Kahn has been cleared of 'aggravated pimping' over orgies held during the global financial crisis. Strauss-Kahn, who was once widely expected to become French president, was accused of procuring seven prostitutes for 'beast-like' sex parties that took place between 2008 and 2011, while he was married. He admitted that the orgies took place, but denied knowing the women were paid to be there, saying he believed they were simply 'libertine'. Strauss-Kahn, known as DSK in France, had been facing 10 years behind bars until his acquittal today. The verdict draws to a close four years of legal drama for Strauss-Kahn which saw his presidential ambitions implode, and his 20-year marriage collapse.Dominique Strauss-Kahn admitted to taking part in group sex partiesSaid they were 'recreational sessions' away from his job 'saving the world'However he denied knowing that the women involved were prostitutesVerdict ends four years of legal battles than ended his presidential hopes 
 Question:In their closing arguments, his lawyers said the case against him had 'collapsed' into nothing more than an indictment of Strauss-_'s morals, and the prosecution appeared to agree.
[EX A]: Kahn

[EX Q]: Russia has claimed to have built a revolutionary new weapon system that can render enemy satellites and weapons useless. Its Russian makers say it is a 'fundamentally new electronic warfare system' which can be mounted on ground-based as well as air- and sea-borne carriers. However, it has refused to reveal how the system works. The firm has released no details of the system. However, on its website, the firm hints at the product, which it is believed is codenamed Krasuha-4. 'Mobile electronic warfare systems 'Krasuha-4' suppress spy satellites, ground-based radars and airborne systems AWACS (Airborne Warning and Control System). 'Complex 'Krasuha-4' fully covers an object from radar detection at 150-300 kilometers, and may also cause damage to enemy radar electronic warfare and communications systems.Krasuha-4 system can suppress cruise missile's guidance systemsGround tests expected to begin within monthsWeapons will be mounted on jets and warships 
 Question:Earlier this month, the _ military test-fired a short-range anti-missile system, which successfully destroyed a simulated target at the designated time.
[EX A]:
Russia

