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Chernomyrdin said voters should decide Chechnya 's future but stressed there was no question of the government letting the region quit the Russian Federation -- something Moscow fears could encourage separatist tendencies in other ethnic regions , particularly in the strategic North Caucasus .
 location: Chechnya; location: North Caucasus; location: Moscow; location: Russian Federation; person: Chernomyrdin
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, else, organization, person 
Text: {0} 
 Entities: Chechnya, North Caucasus, Moscow, Russian Federation, Chernomyrdin 
Answer:
 location: Chechnya; location: North Caucasus; location: Moscow; location: Russian Federation; person: Chernomyrdin