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Among the first large organizations to be impacted by WannaCry is The National Health Service in the UK , which has publicly confirmed that it was attacked by the Wan na Decryptor .
 it: victim; Wan na Decryptor: tool; the first large organizations: victim; WannaCry: tool; The National Health Service: victim; the UK: place
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:
 it: victim; Wan na Decryptor: tool; the first large organizations: victim; WannaCry: tool; The National Health Service: victim; the UK: place