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" Butch and I are finished , " Norman told reporters on Thursday before the start of the World Series of Golf in Akron , Ohio .
 Akron, Butch, Norman, Ohio, World Series of Golf
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, else, organization, person 
Text: {0} 
Answer:
 Akron, Butch, Norman, Ohio, World Series of Golf