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He became the ace of a staff that also featured Milt Pappas and Robin Roberts .
 person: Milt Pappas; person: Robin Roberts
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: Milt Pappas, Robin Roberts 
Answer:
 person: Milt Pappas; person: Robin Roberts