603
As word spread that the robbery was under way , Iraqis gathered , saying they had accounts at the branch , and a riot broke out .
 Iraqis: entity
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: demonstrate 
  Option: entity, place 
Text: {0} 
Answer:
 Iraqis: entity