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The average amount of a ransomware demand has increased from $ 294 in 2015 to $ 1,077 last year , according to a report released last week by Symantec .
 ransom: a ransomware demand
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: a ransomware demand