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The film 's screenplay by Douglas Fairbanks Jr. is based on the novel of the same name by Justin Huntly McCarthy .
 person: Douglas Fairbanks Jr.; person: Justin Huntly McCarthy
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: Douglas Fairbanks Jr., Justin Huntly McCarthy 
Answer:
 person: Douglas Fairbanks Jr.; person: Justin Huntly McCarthy