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A new variant of the WannaCry ransomware attack surfaced on Monday , according to cyber security firm Check Point Software , which it said it had stopped from damaging computers by activating a " kill switch " in the software .
 Monday: time
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:
 Monday: time