
Are the following mentions coreferent?:
<m> first - degree murder </m> in A jury in eastern Oklahoma has convicted a Spiro man of two counts of first-degree murder in the shooting death of his pregnant girlfriend. 
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<m> second-degree murder </m> in The jury convicted the 32-year-old Peterson on Nov. 12 of first-degree murder for killing his wife and second-degree murder for the death of his unborn son. 