129910
He began umpiring in the minor leagues in 1948 , working in the Middle Atlantic League ( 1948 ) and International League ( 1949 – 50 ) before moving up to the AL. .
 organization: Middle Atlantic League; organization: International League
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: Middle Atlantic League, International League 
Answer:
 organization: Middle Atlantic League; organization: International League