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In 1963 , while recuperating from bronchitis , he met Svetlana Alliluyeva , daughter of Joseph Stalin .
 Svetlana Alliluyeva, Joseph Stalin
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Svetlana Alliluyeva, Joseph Stalin