
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> killing </m> in Okla. man guilty of killing pregnant girlfriend An Oklahoma man was found guilty Thursday on two first-degree murder charges for the deaths of an Arkansas woman and her fetus, according to Crawford County Deputy Prosecuting Attorney Jacob Howell. Christopher Kenyon Simpson of Fort Coffee is accused of fatally shooting Ka'Loni Marie Flynn of Fort Smith, Ark. 