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Flowers is cited as having a " formative influence " on hip hop DJs such as Grandmaster Flash and Afrika Bambaataa in the early 1970s .
 Grandmaster Flash, Afrika Bambaataa
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Grandmaster Flash, Afrika Bambaataa