
Are the following mentions coreferent?:
<m> confirmed </m> in T - Mobile US Confirms They will Carry the BlackBerry Q10 on April 24th, 2013 They can expect more carriers to be coming out talking about the Q10 but T - Mobile is the first in the US. They just confirmed that they will carry the device though they said nothing about availability and pricing. 
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<m> announced </m> in Research in Motion today announced that T-Mobile USA will start selling the new BlackBerry Curve 8900 smartphone to its customers. Dubbed as the thinnest and lightest QWERTY BlackBerry, the Curve 8900 will feature built-in GPS with support of location-based services, WiFi with voice and data support, a 3.2 megapixel camera with digital zoom, image stabilization and flash, video recording and playback, a music player, a 3.5mm stereo headset jack and a microSD/SDHC memory card slot with a 256MB card included in the box. 