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the head of the iraqi democratic movement says his group will hold a demonstration in nasiriyah to denounce the presence of ahmad chalabi .
 nasiriyah, the iraqi democratic movement, his group, the head of the iraqi democratic movement, his, ahmad chalabi
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: organization, person, geographical social political, vehicle, location, weapon, facility 
Text: {0} 
Answer:
 nasiriyah, the iraqi democratic movement, his group, the head of the iraqi democratic movement, his, ahmad chalabi