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Dukakis took 55.64 % of the vote to Bush 's 43.93 % , a margin of 11.71 % .
 Dukakis, Bush
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Dukakis, Bush