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Since last week , when the new unlimited plan was announced , various fake Verizon Unlimited Twitter accounts have appeared , and phishers have likewise been sending out bogus offers to upgrade .
 phishing: been sending out
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: been sending out