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Her vocal range was as wide as her repertoire , with the ability to sing both Zerbinetta with its high F # ( in the original version ) and low-lying roles , usually sung by mezzo-sopranos such as the title role in Carmen and Adalgisa in Bellini 's Norma .
 Bellini
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Bellini