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A powerful right hook followed by a straight left gave defending champion Nate Miller a seventh round knock-out win over fellow American James Heath in their WBA cruiserweight title bout on Saturday .
 organization: WBA; person: James Heath; person: Nate Miller; else: American
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, else, organization, person 
Text: {0} 
Answer:
 organization: WBA; person: James Heath; person: Nate Miller; else: American