
Are the following mentions coreferent?:
<m> announced </m> in T - Mobile has announced that it will carry the BlackBerry Q10, and business registration will begin at T - Mobile. com on April 29. 
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<m> according to </m> in According to an online statement by the carrier, BlackBerry's new Q10 smartphone will be available for preorder for business customers on T - Mobile's website April 29. 