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With the rise of recording technology , singers such as Enrico Caruso and Maria Callas became known to much wider audiences that went beyond the circle of opera fans .
 person: Enrico Caruso; person: Maria Callas
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: Enrico Caruso, Maria Callas 
Answer:
 person: Enrico Caruso; person: Maria Callas