14879
Guests include Ruben Blades , Peter Case , Bono and Tonio K .
 Ruben Blades, Peter Case, Bono, Tonio K
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Ruben Blades, Peter Case, Bono, Tonio K