
Are the following mentions coreferent?:
<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. 
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<m> polygamy </m> in The arrests of Winston K. Blackmore, 52, and James Oler, 44, on charges of polygamy were the culmination of the most recent seven-month charge assessment review by special prosecutor Terrence Robertson. Last June, Oppal hired Robertson to investigate whether charges should be laid against the openly polygamist members of the Bountiful commune, where older men routinely are married, legally and common-law, to much younger women. 