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A full biography of his work , in which Hill was closely involved , is entitled Jack Hill : The Exploitation and Blaxploitation Master , Film by Film .
 person: Jack
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: Jack 
Answer:
 person: Jack