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The team has competed in many national and international tournament leagues and series over the years , such as the National Professional Paintball League , Paintball Sports Promotions , Millennium League , and NXL .
 National Professional Paintball League, Paintball, NXL
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 National Professional Paintball League, Paintball, NXL