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Considered simply as a " plebe " during his first semester at West Point , Jackson finished his first term in January 1843 and was appointed a Cadet Fourth Class on February 20 , 1843 .
 Jackson
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Jackson