492
" We welcome the appointment by the United Nations Secretary - General of a special adviser for Iraq to work with the people of Iraq and coalition representatives ," the statement added .
 adviser: person; United Nations: 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: start position 
  Option: person, entity, place 
Text: {0} 
Answer:
 adviser: person; United Nations: entity