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Anna Aleksandrovna Mastyanina ( ; born December 28 , 1987 in Samara ) is a Russian sport shooter .
 Anna, Mastyanina, Samara
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Anna, Mastyanina, Samara