234542
This work led to RCA 's Caruso-A Legendary Performer that applied Stockham 's restoration techniques to acoustic recordings of opera great Enrico Caruso .
 organization: RCA; person: Stockham; person: Enrico Caruso
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: RCA, Stockham, Enrico Caruso 
Answer:
 organization: RCA; person: Stockham; person: Enrico Caruso