177994
A charter member of the Midwest Football League ( which evolved into the American Football League of 1938 , the Tanks ' first four seasons ended with league championships .
 organization: Midwest Football League; organization: American Football League of 1938
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: Midwest Football League, American Football League of 1938 
Answer:
 organization: Midwest Football League; organization: American Football League of 1938