2344
But the Pentagon officials stress that as they close in on Baghdad , this becomes the real dangerous part as they enter that so - called red zone where Saddam Hussein is believed to have given his commanders authority to use chemical weapons , and that use of chemical weapons remains a real fear at the Pentagon .
 ( transport: close in,  they: artifact, Baghdad: 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: close in,  they: artifact, Baghdad: destination) 