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The hotelier said the first breach also stemmed from malware found on servers used to process credit cards , but from August to December 2016 .
 servers: victim; credit cards: compromised data; from August to December 2016: time; malware: tool
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:
 servers: victim; credit cards: compromised data; from August to December 2016: time; malware: tool