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In 1927 he and Mary McCormic became the first two Americans to appear in leading roles at the Opéra National de Paris , respectively portraying the title role and the role of Marguerite in Charles Gounod 's Faust .
 person: Mary McCormic; organization: Opéra National de Paris; person: Charles Gounod
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:
 person: Mary McCormic; organization: Opéra National de Paris; person: Charles Gounod