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Sanford is a three-time winner of the Interzone Readers ' Poll and his novella " Sublimation Angels " was a finalist for the 2010 Nebula Award for Best Novella .
 Sanford
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Sanford