103863
During the Civil War , he tried to enlist in the Union Army in January 1863 but was rendered unfit for military service due to a severe attack of pneumonia .
 organization: Union Army
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: Union Army 
Answer:
 organization: Union Army