
Are the following mentions coreferent?:
<m> says </m> in The United Nations says no militants were inside a United Nations-run school attacked by Israeli forces in Gaza, leaving 40 people dead. Christopher Gunness from the UN Relief and Works Agency said an initial investigation left him 99.9 per cent sure there were no militants at the school. 
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<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. 