46233
Five parties declare themselves as center-right : PTB , Progressistas , PSC , PRTB and Republicanos .
 PTB, Progressistas, PSC, PRTB, Republicanos
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 PTB, Progressistas, PSC, PRTB, Republicanos