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On December 20 , 1935 , she made her debut at the Metropolitan as Amneris in Aida opposite Elisabeth Rethberg , Giovanni Martinelli , John Charles Thomas and Ezio Pinza .
 organization: Metropolitan; person: Elisabeth Rethberg; person: Giovanni Martinelli; person: John Charles Thomas; person: Ezio Pinza
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 organization: Metropolitan; person: Elisabeth Rethberg; person: Giovanni Martinelli; person: John Charles Thomas; person: Ezio Pinza