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Samuel E. Lewis ( 1840 - March 22 , 1907 ) was a Corporal in the Union Army and a Medal of Honor recipient for his actions in the American Civil War .
 Samuel E. Lewis, Union Army
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Samuel E. Lewis, Union Army