
Are the following mentions coreferent?:
<m> Adds </m> in T - Mobile continues to add to its growing line - up of 4G LTE devices by partnering with BlackBerry to bring customers the BlackBerry Q10. T - Mobile is the only major U. S. wireless company to offer the Q10 with no annual service contract plus unlimited talk, text and Web on a fast, nationwide 4G network. 
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<m> add </m> in T - Mobile Adds BlackBerry Q10 to its 4G LTE Smartphone Portfolio May 14, 2013 T - Mobile continues to add to its growing line - up of 4G LTE devices by partnering with BlackBerry to bring customers the BlackBerry Q10. T - Mobile is the only major U. S. wireless company to offer the Q10 with no annual service contract plus unlimited talk, text and Web on a fast, nationwide 4G network. 