
Are the following mentions coreferent?:
<m> dropped </m> in Military aircraft from Sudan crossed the new international border with South Sudan and dropped bombs Thursday in and around a camp filled with refugees, officials said. One day after bombings were reported in another region of South Sudan, an attack that provoked strong condemnation from the U. S. State Department. 
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<m> dropped </m> in Four bombs were dropped within just a few moments, two landed inside the camp itself, while the other two bombs were dropped near the airstrip where a UN helicopter was delivering much needed food aid. 