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She won the Russian Youth Championship three times : in 2009 in category girls under 8 years , in 2011 in category girls under 10 years , and in 2012 at age ten in category girls under 12 years .
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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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