
Are the following mentions coreferent?:
<m> striking </m> in Sudan has denied striking South Sudanese territory. 
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<m> killed </m> in The civilian death toll in Gaza increased dramatically today, with reports of more than 40 Palestinians killed after missiles exploded outside a UN school where hundreds of people were sheltering from the continuing Israeli offensive. James Mattiello, the regional director of the United Nations Relief and Works Agency in Gaza, said that there were reports of more than 40 people killed and several dozen wounded. 