47004
He emigrated to the Soviet Union , where he became a junior agent for the Comintern in Moscow .
 location: Soviet Union; organization: Comintern; location: Moscow
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: Soviet Union, Comintern, Moscow 
Answer:
 location: Soviet Union; organization: Comintern; location: Moscow