48806
Major units assigned Pre World War II ( 1919 – 1940 ) World War II ( 1941 ) World War II ( 1945 ) Postwar Years ( 1946 – 1949 ) Cold War ( 1950 – 1991 ) .
 None
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:  
Answer:
 None