851
But Russia failed to win control over the whole of Chechnya and its troops suffered several humiliating defeats .
 location: Chechnya; location: Russia
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, Russia 
Answer:
 location: Chechnya; location: Russia