
Are the following mentions coreferent?:
<m> Pre - Order </m> in T - Mobile BlackBerry Q10 Pre - Order Begins April 29th for Business Customers on April 24, 2013 T - Mobile today announced that the BlackBerry Q10 will be added to its growing 4G LTE smartphone portfolio. Beginning April 29th, business customers interested in registering for the BlackBerry Q10 can visit http : / / business. t - mobile. com / blackberry - q10. 
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<m> Preorders </m> in BlackBerry Q10 Preorders Launch on T - Mobile April 29 April 24, 2013 BlackBerry's ( NASDAQ : BBRY ) new Q10 smartphone will be available for preorder for business customers on T - Mobile's website April 29, according to an online statement by the carrier. 