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The Sharjah - based InvestBank 's stolen data was leaked online by a hacker going by the pseudonym " Buba " , who demanded a $ 3m ransom from the bank .
 ransom: ransom
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: ransom