
Are the following mentions coreferent?:
<m> ceasefire </m> in Israel has demanded that Hamas be prevented from rearming as a main condition for a ceasefire. Mr. Ging said that they fired back to save their own lives. 
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<m> fired </m> in The UN has disputed claims that Hamas militants fired mortars from the Gaza school that has suffered the deadliest attack of the war with Israel. Imad and Hassan Abu Askar, both of whom had fired mortar shells at troops from the school. 