2114
In addition to Baratov , the Russian agents allegedly hired a 29 - year - old Latvian named Aleksey Belan , who pulled off the main hack against Yahoo , and stole the database involving 500 million user accounts .
 Aleksey Belan: attacker; Yahoo: victim
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: data breach 
  Option: victim, attacker, attack pattern, purpose, damage amount, tool, time, place, number of victim, compromised data, number of data 
Text: {0} 
Answer:
 Aleksey Belan: attacker; Yahoo: victim