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“ Just before Google released the patch , we had discovered a way to bypass it on Nexus 6 , ” Hay said in May of the second CVE -2016-10277 vulnerability .
 discover vulnerability: had discovered
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:
 discover vulnerability: had discovered