645
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 .
 ( transport: arrived,  trailers: vehicle, Umm Qasr: destination) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: declare bankruptcy, transfer ownership, transfer money, marry, transport, die, phone write, arrest jail, convict, sentence, sue, end organization, start organization, end position, start position, meet, elect, attack, injure, born, fine, release parole, charge indict, extradite, trial hearing, demonstrate, divorce, nominate, appeal, pardon, execute, acquit, merge organization, Arguments type: beneficiary, prosecutor, plaintiff, seller, victim, buyer, agent, destination, artifact, organization, recipient, person, place, origin, target, giver, adjudicator, attacker, vehicle, defendant, entity, instrument. 
Text: {0} 
Answer:
 ( transport: arrived,  trailers: vehicle, Umm Qasr: destination) 