1257
In the case of Mat - Su , as the borough is known to residents , Wyatt has said the Trojan component likely arrived as early as May 3 , more than two months before an attempted anti-virus sweep triggered the ransom demand .
 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: ransom 
  Option: victim, attacker, payment method, attack pattern, damage amount, tool, time, price, place 
Text: {0} 
Answer:
 None