644
The first sizable relief convoy arrived in Iraq during a sandstorm Wednesday as allied forces struggled to clear the way for more aid shipments , using dolphins to remove mines from waterways and hunting Iraqi fighters around the port of Umm Qasr .
 transport: arrived
Please tell me event type and its trigger word from given type options. Output format is "type: trigger".  Option: declare bankruptcy, transfer ownership, marry, die, phone write, arrest jail, convict, sue, transfer money, end organization, start organization, end position, merge organization, start position, transport, charge indict, elect, attack, injure, born, extradite, release parole, sentence, demonstrate, meet, trial hearing, divorce, nominate, fine, appeal, pardon, execute, acquit 
Text: {0} 
Answer:
 transport: arrived