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He was an utter idealist , the ultimate Boy Scout , but after years detached from society ( including a decade spent seated atop a throne of stone in the Rocky Mountains , contemplating his plan ) he was left with a somewhat naive apprehension of others , their motives and ability shrinking in the face of his noble plan .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities:  
Answer:
 None