
Are the following mentions coreferent?:
<m> announced </m> in T - Mobile USA Announces BlackBerry Q10 Availability T - Mobile USA announced that the BlackBerry Q10 smartphone device will be added to its growing 4G LTE smartphone portfolio.
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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. 