10022
This conference drew composers from 30 different countries , including Krenek , Varèse and Berio .
 person: Krenek; person: Varèse; person: Berio
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Krenek; person: Varèse; person: Berio