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Ouolon is a small town and commune in the Cercle of San in the Ségou Region of Mali .
 location: Ouolon; location: Cercle of San; location: Ségou Region; location: Mali
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: Ouolon, Cercle of San, Ségou Region, Mali 
Answer:
 location: Ouolon; location: Cercle of San; location: Ségou Region; location: Mali