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Slowly humanitarian aid is rolling into southern Iraq but dramatic scenes like this one of a crowd tearing into the supplies on a convoy truck only underscores how desperate the need is .
 a crowd tearing into the supplies on a convoy truck, a convoy truck, convoy, 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:
 a crowd tearing into the supplies on a convoy truck, a convoy truck, convoy, southern Iraq