7090
Among his early students were the composers Pierre Boulez and Karel Goeyvaerts .
 person: Pierre Boulez; person: Karel Goeyvaerts
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: Pierre Boulez, Karel Goeyvaerts 
Answer:
 person: Pierre Boulez; person: Karel Goeyvaerts