31021
Ferruccio Busoni encouraged the composition of microtonal music allowed for by electronic instruments .
 person: Ferruccio Busoni
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: Ferruccio Busoni 
Answer:
 person: Ferruccio Busoni