
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. 
</s>
<m> said </m> in Officials said that military aircraft from Sudan crossed the new international border with South Sudan and dropped bombs 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. 