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In the January attack , two Palestinian suicide bombers blew themselves up in central Tel Aviv , killing 23 other people .
 bombers: attacker; Tel Aviv: place; people: 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:
 bombers: attacker; Tel Aviv: place; people: target