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Like many of the films produced by the Dark Brothers , Gregory Dark and Walter Dark , Let Me Tell Ya ' bout Black Chicks is controversial .
 person: Dark; person: Gregory Dark; person: Dark
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: Dark, Gregory Dark, Dark 
Answer:
 person: Dark; person: Gregory Dark; person: Dark