191642
At the Zagreb Conservatorium , Šulek began teaching violin in 1939 , composition in 1948 , and orchestration in 1953 .
 organization: Zagreb; person: Šulek
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, Šulek 
Answer:
 organization: Zagreb; person: Šulek