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Elliott Sadler , at that time Dillon 's team mate at Richard Childress Racing , had the car to win , but could n't seal the deal .
 Elliott Sadler, Dillon, Richard Childress Racing
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Elliott Sadler, Dillon, Richard Childress Racing