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J. A. Dudley ( born April 26 , 1980 ) is an American mixed martial artist training out of Team EndGame under Eddy Rolon & Rosky Combat Sports under Dave Rosky Early life J. A. Dudley first started his athletic career playing freshman football for Plainfield High School ( New Jersey ) for the plainfield cardinals .
 American, Plainfield High School ( New Jersey )
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 American, Plainfield High School ( New Jersey )