61724
He was also an active chamber music performer of the highest level , as he was the first violin of the Zagreb String Quartet from 1936-38 and was a member of the Maček - Šulek - Janigro Trio from 1939-45 .
 organization: Zagreb; person: Maček; person: Šulek; person: Janigro
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: Zagreb, Maček, Šulek, Janigro 
Answer:
 organization: Zagreb; person: Maček; person: Šulek; person: Janigro