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Group 6 ( South ) The group covered the following regions : Crimea , Kherson Oblast , Odessa Oblast , Mykolaiv Oblast , Dnipropetrovsk Oblast .
 Crimea, Kherson Oblast, Odessa Oblast, Mykolaiv Oblast, Dnipropetrovsk Oblast
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Crimea, Kherson Oblast, Odessa Oblast, Mykolaiv Oblast, Dnipropetrovsk Oblast