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Despite enemy rifle fire which cut up the gun carriage and severed the rammer , Laffey bravely stood by his gun and contributed greatly to turning back the fierce Confederate assault .
 person: Laffey
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: Laffey 
Answer:
 person: Laffey