
Are the following mentions coreferent?:
<m> said </m> in Attorney General Wally Oppal said at a news conference Wednesday that Winston Blackmore, 52, and James Oler, 44, were arrested by RCMP on Tuesday and that they were to appear in court Wednesday after an intensive seven-month investigation. 
</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. 