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In many cases , the scammer has an Indian accent , poses as a TalkTalk employee , and asks users to install TeamViewer to assist customers with a technical issue or to fix security errors .
 a TalkTalk employee: trusted entity; asks users to install TeamViewer: attack pattern; the scammer: attacker
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 TalkTalk employee: trusted entity; asks users to install TeamViewer: attack pattern; the scammer: attacker