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Buck Rogers has been credited with bringing into popular media the concept of space exploration , following in the footsteps of literary pioneers such as Jules Verne , H.G. Wells and Edgar Rice Burroughs ( John Carter of Mars ) .
 person: Buck; person: Jules Verne; person: H.G. Wells; person: Edgar Rice Burroughs
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, Jules Verne, H.G. Wells, Edgar Rice Burroughs 
Answer:
 person: Buck; person: Jules Verne; person: H.G. Wells; person: Edgar Rice Burroughs