10476
But the Pentagon believes some Iraqi Republican Guard units have withdrawn to the capital for what could be their last stand .
 Iraqi, the capital, the Pentagon, Republican Guard, some Iraqi Republican Guard units, their
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:
 Iraqi, the capital, the Pentagon, Republican Guard, some Iraqi Republican Guard units, their