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The county first learned of the problem earlier this week after an employee opened a malicious “ phishing ” email and accessed an attached file that unleashed a widespread problem inside the county ’s network of computers and information technology .
 a malicious “ phishing ” email: tool; accessed an attached file: attack pattern; an employee: victim; unleashed a widespread problem: attack pattern; earlier this week: time
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:
 a malicious “ phishing ” email: tool; accessed an attached file: attack pattern; an employee: victim; unleashed a widespread problem: attack pattern; earlier this week: time