
Are the following mentions coreferent?:
<m> disappeared </m> in Scott Peterson convicted of first-degree murder in the death of his wife, 23-year-old Laci, and second-degree murder in the death of his 8-month-old unborn son, whom the couple were planning to name Conner. Laci disappeared from the couple's home in Modesto, California, 23 months ago. 
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<m> disappeared </m> in 23-year-old Laci disappeared from the couple's home in Modesto, California, 23 months ago. 