
Are the following mentions coreferent?:
<m> said </m> in A refugee camp was the target of an air strike in South Sudan's Unity state on Thursday, less than 50 km ( 30 miles ) from the tense border with Sudan, a Reuters witness said. The Reuters correspondent heard a large explosion then saw a crater about two metres ( 6. 6 feet ) wide, an unexploded bomb wedged in the side of a school building and a white aircraft flying north from the Yida refugee camp. 
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<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. 