
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 T-Mobile today announced the BlackBerry Curve 8900, the thinnest and lightest full-QWERTY BlackBerry smartphone. The BlackBerry Curve 8900 features a titanium-colored finish with chrome highlights. It combines a compact design with a full-QWERTY keyboard, 512MHz processor for fast and responsive performance, and built-in GPS and Wi-Fi ( 802.11 b/g ) connectivity. 