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The National Basketball Association has sued America Online Inc , alleging that the United States ' No 1 on-line service is delivering real-time information about league games without its permission , The Wall Street Journal reported on Thursday .
 United States, National Basketball Association, The Wall Street Journal, America Online Inc
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, else, organization, person 
Text: {0} 
Answer:
 United States, National Basketball Association, The Wall Street Journal, America Online Inc