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Marquis Franklin " Bill " Horr ( May 2 , 1880 – July 1 , 1955 ) was an American football player , coach , and Olympic track and field athlete .
 Bill, Horr
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Bill, Horr