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A British aid worker , held hostage in Chechnya for nearly four weeks , said on Saturday a cocked Kalashnikov had been thrust into his mouth at one point during his ordeal .
 location: Chechnya; else: British; else: Kalashnikov
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, British, Kalashnikov 
Answer:
 location: Chechnya; else: British; else: Kalashnikov