
Are the following mentions coreferent?:
<m> unveiled </m> in Following a refresh to the MacBook Air lineup, Apple's Phil Schiller unveiled a revamped MacBook Pro today at WWDC12. The updated machine boasts Intel Ivy Bridge 2. 7GHz ( turbo boosted up to 3. 7GHz ), USB 3. 0, Nvidia GeForce GT 650m graphics, and 7 hours of battery life. 
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<m> unveiled </m> in New MacBook Air models officially unveiled with Ivy Bridge upgrade As rumored, new 11 - inch and 13 - inch MacBook Air models have just been officially announced by Apple at WWDC 2012. 