2700
Now that armored columns of U . S .- led troops have reached the outskirts of Baghdad , eyewitnesses report fighting and shelling around Saddam Hussein International Airport .
 columns: artifact; outskirts: destination
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: transport 
  Option: victim, artifact, destination, place, origin, vehicle, agent 
Text: {0} 
Answer:
 columns: artifact; outskirts: destination