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Google ’s security researchers , for example , give vendors just 90 days ’ warning before publishing flaws they find .
 discover vulnerability: 90 days ’ warning
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: 90 days ’ warning