118394
They were immediately attached to the Army of the Frontier , and dispatched to Arkansas under the command of Lieutenant Colonel Elias Briggs Baldwin , where they took part in the Battle of Prairie Grove .
 organization: Army of the Frontier; location: Arkansas; person: Elias Briggs Baldwin
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 Frontier, Arkansas, Elias Briggs Baldwin 
Answer:
 organization: Army of the Frontier; location: Arkansas; person: Elias Briggs Baldwin