1785
after the president came aboard , he then spent a considerable amount of time talking to many of the young men and women on the flight deck , taking photographs with them , still wearing his flight suit throughout much of that period , talking to them and again this evening , he will be issuing a major address to the american people reguarding the end of major combat operation .
 None
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: attack 
  Option: victim, attacker, place, target, instrument 
Text: {0} 
Answer:
 None