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This fact famously convinced his fiancee 's parents to let her marry Alberto , because he was " more than just a tango singer " , and was used as a plot device in the Argentine movie Moon of Avellaneda ( Sp : " Luna de Avellaneda " ) , where Castillo is summoned to deliver a baby right after finishing his set at a carnival fair ( the story is fictitious ) .
 Alberto, Argentine, Castillo
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Alberto, Argentine, Castillo