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David Rikl ( Czech Republic ) vs. Hicham Arazi ( Morocco )
 David Rikl, Morocco, Hicham Arazi, Czech Republic
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:
 David Rikl, Morocco, Hicham Arazi, Czech Republic