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Officials from Iraqi groups that met with Bremer last week have said that he back peddled on what they said were earlier pledges to give them a lead role in forming a new interim government in the next few weeks .
 that: entity; Bremer: 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: meet 
  Option: entity, place 
Text: {0} 
Answer:
 that: entity; Bremer: entity