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Being the first time the Negro church has ever been viewed through a “ comprehensive contemporary study , ” the basis of this strategic search was to understand and describe the universal statistics and meaning behind the aspects of a “ Negro church ” in the United States during that time period .
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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:  
Answer:
 None