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The new Palestinian prime minister , Mahmoud Abbas , has denounced violence against Israelis , but also told Sharon in a weekend meeting _ the first Israeli - Palestinian summit in three years _ that he wants to persuade the militants to stop attacks , rather than disarm them by force .
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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:
 None