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Maria Cristina Amelia of Naples and Sicily ( 17 January 1779 – 26 February 1783 ) was a Princess of Naples and Sicily and twin sister of the future Queen of Sardinia .
 Maria Cristina Amelia, Naples, Sicily, Princess, Naples, Sicily, Queen of Sardinia
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Maria Cristina Amelia, Naples, Sicily, Princess, Naples, Sicily, Queen of Sardinia