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Yet recent research co-authored by a Michigan State University business scholar found nearly 1,800 occurrences of large data breaches in patient information over a seven - year period .
 data breach: large data breaches
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:
 data breach: large data breaches