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Khuchbarov then went into hiding and moved to Chechnya , where he underwent extensive combat training in a camp of the field commander Ibragimov and took the nickname Colonel , collaborating with Arbi Barayev .
 person: Khuchbarov; location: Chechnya; person: Arbi Barayev
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: Khuchbarov, Chechnya, Arbi Barayev 
Answer:
 person: Khuchbarov; location: Chechnya; person: Arbi Barayev