53275
In 1967 , the toy factory Frateschi has been renamed to " Indústrias Reunidas Frateschi Ltda " to concentrate fully on model trains with its core business focused on Brazilian railways ( RFFSA , Fepasa , CPEF , EFS , etc. ) .
 Frateschi, Frateschi, RFFSA, Fepasa
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Frateschi, Frateschi, RFFSA, Fepasa