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You may have heard of the CEO scam : that ’s where spear - phishers impersonate a CEO to hit up a company for sensitive information .
 spear - phishers: attacker; sensitive information: purpose; a CEO: trusted entity
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: phishing 
  Option: victim, attacker, attack pattern, purpose, damage amount, tool, time, place, trusted entity 
Text: {0} 
Answer:
 spear - phishers: attacker; sensitive information: purpose; a CEO: trusted entity