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General Ahmed Hassan al-Bakr became the new Prime Minister and Colonel Abdul Salam Arif became President .
 Ahmed Hassan al-Bakr, Abdul Salam Arif
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Ahmed Hassan al-Bakr, Abdul Salam Arif