
Are the following mentions coreferent?:
<m> said </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. Taban Deng, the governor of Unity state, accused Sudan of carrying out the attack. 
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<m> Say </m> in Officials said that military aircraft from Sudan crossed the new international border with South Sudan and dropped bombs Thursday in and around a camp filled with refugees. One day after bombings were reported in another region of South Sudan, an attack that provoked strong condemnation from the U. S. State Department. 