1791
cnn learned the al qaeda leader sent personal letters to key operatives in february , ordering them to attack the united states and its allies .
 leader: entity; operatives: 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:
 leader: entity; operatives: entity