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Greg Milam is with the U . K . forces in southern Iraq .
 U . K, Greg Milam, the U . K . forces, southern Iraq
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:
 U . K, Greg Milam, the U . K . forces, southern Iraq