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Alberto of Naples and Sicliy ( Alberto Lodovico Maria Filipo Gaetano ; 2 May 1792 – 25 December 1798 ) was a Prince of Naples and Sicily .
 Alberto, Naples, Alberto, Maria, Prince, Naples, Sicily
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, Naples, Alberto, Maria, Prince, Naples, Sicily