
Are the following mentions coreferent?:
<m> strike </m> in South Sudan accuses Sudan of air strike on refugee camp
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<m> strike </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. Sudan's armed forces denied they carried out the strike. The governor of Unity state, Taban Deng, accused Khartoum of carrying out the attack. 