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Following the neroverdis promotion to the Italian second tier , Allegri left Sassuolo to fill the head coaching position at Serie A team Cagliari .
 Allegri, Sassuolo, Serie A, Cagliari
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Allegri, Sassuolo, Serie A, Cagliari