8934
Russian and rebel military commanders finally met in Chechnya on Tuesday for delayed talks aimed at finalising a ceasefire arranged last week by President Boris Yeltsin 's envoy Alexander Lebed .
 location: Chechnya; else: Russian; person: Boris Yeltsin; person: Alexander Lebed
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, Russian, Boris Yeltsin, Alexander Lebed 
Answer:
 location: Chechnya; else: Russian; person: Boris Yeltsin; person: Alexander Lebed