1871
Roy Orbison , Bobby Vinton , Sid Caesar and Byron Allen
 person: Roy Orbison; person: Bobby Vinton; person: Sid Caesar; person: Byron Allen
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: Roy Orbison; person: Bobby Vinton; person: Sid Caesar; person: Byron Allen