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The Museo de la Masacre de Ponce , or ( English : Ponce Massacre Museum ) , is a historic building in Ponce , Puerto Rico .
 Ponce, Ponce, Ponce , Puerto Rico
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Ponce, Ponce, Ponce , Puerto Rico