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In interviews last year , Giuliani said Nathan gave him `` tremendous emotional support '' through his treatment for prostate cancer and as he led the city during the aftermath of the Sept . 11 terrorist attack on the World Trade Center .
 terrorist: attacker; city: place; World Trade Center: target
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:
 terrorist: attacker; city: place; World Trade Center: target