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The 7th edition , published on April 15 , 2007 ( U.S. ) and May 10 , 2007 ( UK ) , " has undergone its most extensive revision … to reflect the recommendations of the fifteenth edition of The Chicago Manual of Style and to present an expanded array of source types and updated examples , including guidance on citing electronic sources " .
 None
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