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The first ( 1940 ) formation of the 11th Tank Division was subordinated to the 2nd Mechanized Corps , itself part of the 9th ( independent ) Army .
 organization: 2nd Mechanized Corps
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: 2nd Mechanized Corps 
Answer:
 organization: 2nd Mechanized Corps