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After Nowlan and Dille enlisted editorial cartoonist Dick Calkins as the illustrator , Nowlan adapted the first episode from Armageddon 2419 , A.D. and changed the hero 's name from Anthony Rogers to Buck Rogers .
 person: Nowlan; person: Dick Calkins; person: Nowlan; person: Buck
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: Nowlan, Dick Calkins, Nowlan, Buck 
Answer:
 person: Nowlan; person: Dick Calkins; person: Nowlan; person: Buck