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He became a cabaret star appearing alongside the likes of Johnny Mathis , Roy Orbison and Louis Armstrong .
 person: Johnny Mathis; person: Roy Orbison; person: Louis Armstrong
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: Johnny Mathis, Roy Orbison, Louis Armstrong 
Answer:
 person: Johnny Mathis; person: Roy Orbison; person: Louis Armstrong