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