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The bus attack came just two days after Israeli forces staged a bloody raid into a refugee camp in central Gaza targeting a founding member of Hamas , which has spearheaded suicide bombings against the Jewish state .
 bus: target
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: attack 
  Option: victim, attacker, place, target, instrument 
Text: {0} 
Answer:
 bus: target