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After the First Balkan War , Grčište came under Serbia n control , and Sionidis moved to the village Matsikovo ( modern Evzoni ) , on the then Greco-Serbian border .
 Serbia, Sionidis
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Serbia, Sionidis