
Are the following mentions coreferent?:
<m> confirmed </m> in B.C. attorney general confirms charges laid against top two polygamist leaders Two top leaders of the controversial polygamous sect in Bountiful, B.C., have been arrested and charged with practising polygamy. B.C. Attorney General Wally Oppal confirmed that Winston Blackmore and James Oler were arrested Wednesday. Oppal said Blackmore is alleged to be married to 20 women, while Oler is accused of committing polygamy by being married to two women. 
</s>
<m> announced </m> in Tim Shields and Attorney-General Wally Oppal announced Wednesday that the RCMP arrested two Bountiful residents, Winston K. Blackmore, 52, and James Oler, 44, on charges of polygamy. 