2097
Filippeschi made several recordings , notably Pollione in Norma , opposite Maria Callas , and Carlo in Don Carlos , opposite Tito Gobbi and Boris Christoff .
 person: Filippeschi; person: Maria Callas; person: Tito Gobbi; person: Boris Christoff
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: Filippeschi, Maria Callas, Tito Gobbi, Boris Christoff 
Answer:
 person: Filippeschi; person: Maria Callas; person: Tito Gobbi; person: Boris Christoff