
Are the following mentions coreferent?:
<m> killed </m> in Three Palestinians, who had sought refuge in a small co-educational UN school in Gaza City, died when a missile hit the building's toilet facilities. 
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<m> struck </m> in Two Israeli tank shells struck the school in Jabaliya refugee camp, spraying shrapnel on people inside and outside the building, according to news agency reports. John Ging said that three artillery shells landed at the perimeter of the school where 350 people were taking shelter. 