
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 Apple has unveiled the next generation of MacBook Pro at the WWDC Keynote in San Francisco. The 15. 4′′ MacBook Pro refresh will be remarkably thin, at 0. 71′′ and at 4. 46 pounds, it will be the thinnest and lightest MacBook Pro ever. The display is where the MacBook Pro refresh truly shines, with a Retina display at a whopping 2, 880 by 1, 800 pixels. 