
Are the following mentions coreferent?:
<m> threatening </m> in A refugee camp in South Sudan's Unity state was bombed Thursday, South Sudan officials and witnesses said, threatening to raise tensions with Sudan in the violence- plagued border region. 
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<m> threatening </m> in A refugee camp in South Sudan's Unity state was bombed on Thursday, South Sudan officials and witnesses said, threatening to raise tensions with Sudan. Relatives of the dead and wounded said that the attack was an act of retaliation against Sudan. 