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: (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.
Example Output: Navajo Code Talkers

Example Input: Werder Bremen edged past bottom club Hamburg SV 1-0 courtesy of an 84th-minute penalty by Franco Di Santo that kept them in the running for a Europa League spot. Argentine Di Santo converted his spot-kick for his 13th goal of the season after Hamburg's Valon Behrami had brought down Zlatko Junuzovic and was sent off as new Hamburg coach Bruno Labbadia made a losing return to their bench. Franco Di Santo celebrates after scoring the winner for Werder Bremen in 1-0 defeat of Hamburg The former Chelsea and Wigan forward celebrates after beating Rene Adler from the spot Werder players celebrate in front of their fans after keeping their Europa League hopes aliveWerder Bremen defeated Hamburg SV 1-0 in the Bundesliga on SundayBruno Labbadia has returned as coach to save Hamburg from relegationWolfsburg meet Schalke 04 in the later game on Sunday 
 Question:_ are the only team never to have played in the second division since the creation of the Bundesliga in 1963.
Example Output: Hamburg SV

Example Input: The Grateful Dead rocked a stadium with more than 70,000 people swaying and dancing to their music on Friday night on their 'Fare Thee Well' tour to legions of loyal fans. Pictures show how Solider Field, the football stadium where legendary guitarist Jerry Garcia last played with the band before his death in 1995, swelled with Deadheads for the first night of the three-show weekend. The remaining core members - rhythm guitarist Bob Weir, 67, bassist Phil Lesh, 75, and percussionists Mickey Hart, 71, and Bill Kreutzmann, 69, - say the shows will be the last they perform under the name The Grateful Dead.Grateful Dead members playing last shows at Chicago's Solider FieldPhish guitarist Trey Anastasio replaced dead member Jerry GarciaTickets going for $9,000 on Stubhub despite face value of $200More than 70,000 attended first of three shows this weekend 
 Question:Some surviving members played together in reunion shows as The Dead in the years since Garcia's death, though never technically as _.
Example Output:
Grateful Dead