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Mtsensk ( ) is a town in Oryol Oblast , Russia , on the Zusha River ( Oka 's tributary ) northeast of Oryol , on the Moscow – Simferopol highway .
 Mtsensk, Oryol Oblast, Russia, Oryol, Moscow, Simferopol
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Mtsensk, Oryol Oblast, Russia, Oryol, Moscow, Simferopol