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Group 1 ( Far West ) The group covered the following regions : Lviv Oblast , Zakarpattia Oblast , Volyn Oblast , Ivano-Frankivsk Oblast , Chernivtsi Oblast .
 Lviv Oblast, Zakarpattia Oblast, Volyn Oblast, Ivano-Frankivsk Oblast, Chernivtsi 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:
 Lviv Oblast, Zakarpattia Oblast, Volyn Oblast, Ivano-Frankivsk Oblast, Chernivtsi Oblast