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This reduces the amount of information a student must learn before they participate in an actual hunt . Haniyeh and Abbas have both welcomed the Saudi invitation , but added that a truce must hold before such a meeting can be convened.Foreign Minister Mahmoud Zahar of Hamas said the truce agreement calls for security forces to return to their bases , suspects in killings to be handed over , and all hostages to be released . Strengthening the walls of a castle adds to the damage the castle must take before it is destroyed . In that event , their case must go before the President 's Planning Committee .