187978
He particularly excelled in bel canto works , notably singing opposite such lauded bel canto interpreters as Joan Sutherland , Beverly Sills , and Montserrat Caballé during his career .
 person: Joan Sutherland; person: Beverly Sills; person: Montserrat Caballé
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: Joan Sutherland, Beverly Sills, Montserrat Caballé 
Answer:
 person: Joan Sutherland; person: Beverly Sills; person: Montserrat Caballé