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Three days after U . S . President George W . Bush promised ` ` massive amounts ' ' of humanitarian aid , seven large , battered tractor - trailers arrived in Umm Qasr carrying food and water donated by Kuwaitis .
 geographical social political: U . S; geographical social political: Umm Qasr; person: U . S . President; person: U . S . President George W . Bush; person: Kuwaitis; vehicle: seven large , battered tractor - trailers
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: organization, person, geographical social political, vehicle, location, weapon, facility 
Text: {0} 
Answer:
 geographical social political: U . S; geographical social political: Umm Qasr; person: U . S . President; person: U . S . President George W . Bush; person: Kuwaitis; vehicle: seven large , battered tractor - trailers