1858
in northern iraq , u . s . marines and residents exchanged gunfire in the city of mosul today , in the second day of civil disturbances there .
 marines: attacker; residents: attacker; city: place; marines: target; residents: target
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: attack 
  Option: victim, attacker, place, target, instrument 
Text: {0} 
Answer:
 marines: attacker; residents: attacker; city: place; marines: target; residents: target