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For years scammers have been contacting vulnerable people , pretending to be from their ISP or Microsoft technical support , and offering to clean - up non-existant virus infections .
 phishing: have been contacting
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:
 phishing: have been contacting