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Finally today , the West Michigan Whitecaps - a Class A minor league baseball team affiliated with the Detroit Tigers - said staff W - 2 records were compromised after someone posing as a manager requested them .
 someone: attacker; a manager: trusted entity; a Class A minor league baseball team: victim; staff W - 2 records were compromised: purpose
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:
 someone: attacker; a manager: trusted entity; a Class A minor league baseball team: victim; staff W - 2 records were compromised: purpose