974
U . S . forces tightened their grip throughout Baghdad , entering the city for the first time from the north , seizing a military airport and battling snipers and Republican Guard fighters .
 forces: 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; city: destination