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Sigurd Olsen Moen ( October 31 , 1897 – October 6 , 1967 ) is a Norwegian former speed skater and Olympic medalist .
 Sigurd, Moen, Norwegian
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Sigurd, Moen, Norwegian