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Saffò is an opera in three acts by Giovanni Pacini on a libretto by Salvadore Cammarano , based on a play by Franz Grillparzer , after the legend of the ancient Greek poetess Sappho .
 person: Giovanni Pacini; person: Salvadore Cammarano; person: Franz Grillparzer; person: Sappho
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Giovanni Pacini, Salvadore Cammarano, Franz Grillparzer, Sappho 
Answer:
 person: Giovanni Pacini; person: Salvadore Cammarano; person: Franz Grillparzer; person: Sappho