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Shirley " S.L. " Abbott ( July 25 , 1924 – April 23 , 2013 ) was an American businessman , rancher , politician , and ambassador .
 Shirley, Abbott, American
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Shirley, Abbott, American