1780
they say their forces today with the iraqi republican guard units as part of a protwo - pronged advance on the city .
 forces: artifact; units: artifact; city: 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:
 forces: artifact; units: artifact; city: destination