
Are the following mentions coreferent?:
<m> polygamy </m> in 2 leaders of polygamist group arrested in Canada Two top leaders of a polygamous community in western Canada have been arrested and charged with practicing polygamy, British Columbia's attorney general said Wednesday. Attorney General Wally Oppal said Winston Blackmore is charged with marrying 20 women, while James Oler is accused of marrying two women. FLDS members practice polygamy in arranged marriages, a tradition tied to the early theology of the Mormon church. 
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<m> polygamy </m> in Two leaders of polygamous groups with ties to Utah have been arrested in Canada, charged with practicing polygamy. The prosecutor recommended polygamy and sexual exploitation charges but British Columbia attorney general Wally Oppal opted to only pursue polygamy charges. 