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The primary campaigning by the candidates included many " attack ads " directed at John Brunner and Sarah Steelman at each other , but very few aimed at Todd Akin .
 Sarah Steelman, Todd Akin
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Sarah Steelman, Todd Akin