14347
4 - Marcelo Rios ( Chile ) beat Daniel Vacek ( Czech Republic ) 6-4
 Chile, Marcelo Rios, Czech Republic, Daniel Vacek
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:
 Chile, Marcelo Rios, Czech Republic, Daniel Vacek