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A few days later he picked up a silver medal in the 4 × 400 m relay along with Andretti Bain , Michael Mathieu and Andrae Williams .
 Andretti Bain, Michael Mathieu, Andrae Williams
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Andretti Bain, Michael Mathieu, Andrae Williams