356928
1st Brigade , 5th Division , Army of the Mississippi , to September 1862 .
 organization: Army of the Mississippi
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: Army of the Mississippi 
Answer:
 organization: Army of the Mississippi