
Are the following mentions coreferent?:
<m> Polygamy </m> in Warren Jeffs Trial : Defends 'Spiritual' Marriage, Polygamy 
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<m> Polygamy </m> in Canadian authorities announced that two leaders of polygamous factions in Bountiful, British Columbia, have been arrested. Jim Oler, 44, and Winston Blackmore, 52, have been charged under the criminal code with practicing polygamy. Blackmore, alleged to have 19 wives, is charged with practicing polygamy between May 1, 2005, and Dec. 8, 2006. 