209650
When World War I broke out Bartron was admitted to the first officers training camp at Fort Benjamin Harrison , Indiana , early in April 1917 , and was transferred shortly thereafter to Columbus , Ohio , where he was a member of the third ground school class in preliminary training for an aviation career .
 person: Bartron; location: Fort; location: Columbus , Ohio
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: Bartron, Fort, Columbus , Ohio 
Answer:
 person: Bartron; location: Fort; location: Columbus , Ohio