83004
In all , the treaty took away territory that included a quarter of the population and industry of the former Russian Empire and nine-tenths of its coal mines .
 location: Russian Empire
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: Russian Empire 
Answer:
 location: Russian Empire