
Are the following mentions coreferent?:
<m> death </m> in The jury concluded that the circumstances surrounding Laci Peterson's disappearance and death could not reasonably be explained in any other way but that Scott Peterson wanted her dead so he could continue and perhaps expand his secret life with Amber Frey. 
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<m> deaths </m> in 3742740 Oklahoma man pleads not guilty in deaths of Arkansas woman and her fetus