1089
Last year in June , another group named Kadyrovtsy also targeted German businesses , launching attacks of up to 50 Gbps .
 German businesses: victim; another group: attacker; Kadyrovtsy: attacker; June: time; Last year: time
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: ransom 
  Option: victim, attacker, payment method, attack pattern, damage amount, tool, time, price, place 
Text: {0} 
Answer:
 German businesses: victim; another group: attacker; Kadyrovtsy: attacker; June: time; Last year: time