
Are the following mentions coreferent?:
<m> confirmed </m> in On Monday, we reported on rumors that T-Mobile would release the RIM BlackBerry Curve 8900 on February 11, and while the date has not been confirmed, the carrier did go ahead and make the official product announcement on Tuesday. Yes, the BlackBerry Curve 8900 will make its way to T-Mobile some time in February and is being touted as the thinnest and lightest full QWERTY BlackBerry to date. It will have integrated Bluetooth and GPS and we now know it will have built-in Wi-Fi as well as support for T-Mobile's Unlimited HotSpot Calling service. 
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<m> announced </m> in T - Mobile has announced that the BlackBerry Q10 is coming to their network. 