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The Polish Men ’s team finished runners-up at the 2006 FIVB World Championships in Japan and a year later Katowice hosted one of the best-ever FIVB World League Final Rounds , with spectators filling out Spodek Arena night after night .
 FIVB, Katowice, FIVB
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 FIVB, Katowice, FIVB