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“ Although the investigation did not identify evidence of unauthorized access to payment card data , we determined on April 18 , 2017 that the potential for what to have occurred existed for certain transactions , ” he wrote .
 data breach: unauthorized access
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: unauthorized access