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Enraged India first reacted on Twitter , and after that , the hacktivist group Anonymous India claimed that they were responsible for 1.7 million Snapchat users ’ data leak .
 1.7 million: number of data; they: attacker; the hacktivist group Anonymous India: attacker; Snapchat users: 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:
 1.7 million: number of data; they: attacker; the hacktivist group Anonymous India: attacker; Snapchat users: victim