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" Chapterhouse : Dune " is a 1985 science fiction novel by Frank Herbert , the last in his " Dune " series of six novels .
 person: Frank Herbert
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: Frank Herbert 
Answer:
 person: Frank Herbert