
Are the following mentions coreferent?:
<m> announced </m> in Canadian authorities announced that two leaders of polygamous factions in Bountiful, British Columbia, have been arrested. 
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<m> SAYING </m> in BC ATTORNEY GENERAL WALLY OPAL ISSUED A STATEMENT TODAY SAYING THAT TWO MEN, WINSTON BLACKMORE AND JAMES OLER, HAD BEEN ARRESTED  ON CHARGES OF POLYGAMY PURSUANT TO The CRIMINAL CODE. OPAL SAYS The Arrests ARE The PRODUCT OF A SEVEN-MONTH CHARGE ASSESSMENT REVIEW BY SPECIAL PROSECUTOR TERRENCE ROBERTSON. 