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The ransomware , called WannaCry , began infecting users on May 12th and gave them 72 hours to pay $ 300 in bitcoin or pay twice as much .
 ransom: pay
Please tell me event type and its trigger word from given type options. Output format is "type: trigger".  Option: phishing, data breach, ransom, discover vulnerability, patch vulnerability 
Text: {0} 
Answer:
 ransom: pay