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William Edward " Bill " Cooper ( October 16 , 1921 – March 6 , 2008 ) was a prominent Dallas businessman and civic leader .
 person: Cooper; organization: Dallas
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: Cooper, Dallas 
Answer:
 person: Cooper; organization: Dallas