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Writer and author Philip Gourevitch has described in detail how , three months before the genocide , Major General Romeo Dallaire , the commander of several thousand U . N . troops in Rwanda , sent a fax to Kofi Annan ' s office , saying he had received evidence from a Rwandan government informant that genocide was being planned .
 Romeo Dallaire: entity; office: 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: phone write 
  Option: entity, place 
Text: {0} 
Answer:
 Romeo Dallaire: entity; office: entity