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Petr Yan defends UFC 251 stoppage , says Aljamain Sterling should be next in line {{URL}} via {@MMA Junkie@}
 Petr Yan, UFC 251, Aljamain Sterling, MMA Junkie
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: group, creative work, person, event, product, location, corporation 
Text: {0} 
Answer:
 Petr Yan, UFC 251, Aljamain Sterling, MMA Junkie