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The 3rd Maryland Infantry , Potomac Home Brigade was an infantry regiment that served in the Union Army during the American Civil War .
 organization: 3rd Maryland; organization: Potomac Home Brigade; 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: 3rd Maryland, Potomac Home Brigade, Union Army 
Answer:
 organization: 3rd Maryland; organization: Potomac Home Brigade; organization: Union Army