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He also helped the careers of the acclaimed sportscasters Spencer Ross and Johnny Most .
 person: Spencer Ross; person: Johnny Most
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: Spencer Ross, Johnny Most 
Answer:
 person: Spencer Ross; person: Johnny Most