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Soon after taking the position , he named Petar Božić the club 's new head coach , thus not offering Duško Vujošević a new contract .
 Petar Božić, Duško Vujošević
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Petar Božić, Duško Vujošević