112187
He studied at Harvard University primarily with Walter Piston and Irving Fine , and privately with Nadia Boulanger and Aaron Copland .
 organization: Harvard University; person: Walter Piston; person: Irving Fine; person: Nadia Boulanger; person: Aaron Copland
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: Harvard University, Walter Piston, Irving Fine, Nadia Boulanger, Aaron Copland 
Answer:
 organization: Harvard University; person: Walter Piston; person: Irving Fine; person: Nadia Boulanger; person: Aaron Copland