
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 According to the officials, military aircraft from Sudan crossed the new international border with South Sudan and dropped bombs in and around a camp filled with refugees. A government official initially reported deaths, but an American activist who spoke to aid workers at the camp later said there were no casualties. The violence in and near the Yida refugee camp, located 10 miles ( 15 kilometers ) south of the border, came one day after bombings were reported in another region of South Sudan. 