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It was reported that Italian  Interior  Minister  Giuliano Amato  said later the killings were part of a feud between mafia families in the Calabria region of southern Italy .
 Interior, Giuliano Amato
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: cities of residence, top members employees, members, alternate names, origin, state or provinces of residence, title of person, spouse, city of headquarters, NA, founded by, state or province of headquarters, employee of, countries of residence, country of birth, founded, subsidiaries, country of headquarters 
Text: {0} 
Answer:
 Interior, Giuliano Amato