
Are the following mentions coreferent?:
<m> hitting </m> in At least one civilian was killed and seven others were wounded in the attack, which took place in the southern Sudanese city of Guffa. 
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<m> bombed </m> in A refugee camp in South Sudan's Unity state was bombed, South Sudan officials and witnesses said, threatening to raise tensions with Sudan. Khartoum denies that he carried out the strike. 