55031
Apparently even in First Nations lore its existence was spoken of only vaguely , as a possibility , and it seems unlikely the core of the massif was penetrated by any First Nations adventurer given the tremendous difficulty posed even for mountaineers equipped with modern outdoor gear .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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