
Are the following mentions coreferent?:
<m> trial </m> in Upon learning of his death sentence, Scott Peterson sat defiantly still and tight-jawed, the same vacant expression he wore throughout a murder trial in which he never spoke. 
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<m> shooting dead </m> in man found GUILTY of shooting dead pregnant girlfriend execution - style because A jury in eastern Oklahoma has convicted a 27 - year - old man of shooting dead his pregnant girlfriend and her unborn baby after she refused to get an abortion. 