8144
Australian commandos , who have been operating deep in Iraq , destroyed a command and control post and killed a number of soldiers , according to the country ' s defense chief , Gen . Peter Cosgrove .
 Australian, Iraq, the country, Australian commandos, who, a number of soldiers, soldiers, the country ' s defense chief, Gen, Gen . Peter Cosgrove, a command and control post
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:
 Australian, Iraq, the country, Australian commandos, who, a number of soldiers, soldiers, the country ' s defense chief, Gen, Gen . Peter Cosgrove, a command and control post