10196
The rapid population growth was primarily driven by mass migration of young , unskilled workers from rural areas of Belarus , as well as by migration of skilled workers from other parts of the Soviet Union .
 location: Belarus; location: Soviet Union
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: Belarus, Soviet Union 
Answer:
 location: Belarus; location: Soviet Union