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The surveyor Mr. Scott was able to climb the 15,620 ft mountain Sikaram in the Safid Koh , from where he noted to the north " " a pyramid standing far above the heads of all the surrounding peaks of the Hindu Kush " .
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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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