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American Karate is a generic term generally referring to a hybridized martial art system that employs cross-training with more traditional martial art styles identifying themselves as a form of Karate .
 Karate, Karate
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Karate, Karate