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Nizhneudinsk ( ) is a town in Irkutsk Oblast , Russia , located on the Uda River ( Yenisei 's basin ) , northwest of Irkutsk .
 location: Nizhneudinsk; location: Irkutsk Oblast; location: Russia; location: Irkutsk
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Nizhneudinsk, Irkutsk Oblast, Russia, Irkutsk 
Answer:
 location: Nizhneudinsk; location: Irkutsk Oblast; location: Russia; location: Irkutsk