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Buck Rogers is a fictional character who first appeared in Armageddon 2419 A.D. by Philip Francis Nowlan in the August 1928 issue of the pulp magazine Amazing Stories as Anthony Rogers .
 person: Buck; person: Philip Francis Nowlan
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: Buck, Philip Francis Nowlan 
Answer:
 person: Buck; person: Philip Francis Nowlan