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In a news report released in April 2016 , the FBI expressed its direct concerns over the unchallenged growth of ransomware attacks and urged any victims to not give in to the demand for ransom unless all other options are exhausted .
 ransom: ransomware attacks
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: ransomware attacks