93696
In 1930 he was engaged in collecting and studying Smolensk song folklore .
 location: Smolensk
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: Smolensk 
Answer:
 location: Smolensk