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Crew Chief for the # 43 Petty Enterprises Team Loomis 's first professional crew chief position came with Petty Enterprises in 1990 , when he replaced Dale Inman as Richard Petty 's crew chief .
 Petty Enterprises, Loomis, Petty Enterprises, Dale Inman, Richard Petty 's
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Petty Enterprises, Loomis, Petty Enterprises, Dale Inman, Richard Petty 's