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" After a meeting between the governor of north Kivu and the prefect of Gisenyi , 28 prisoners ( refugees ) were handed over to Rwandan authorities on Friday , " Gatera said . "
 Gatera, Rwandan, Kivu, Gisenyi
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, else, organization, person 
Text: {0} 
Answer:
 Gatera, Rwandan, Kivu, Gisenyi