
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 CEO Steve Jobs unveiled the company's new high-end notebook line during the special event being held at Apple's headquarters in Cupertino, Calif. The new MacBook Pro will feature two graphic chipsets, the Nvidia GeForce 9400M embedded on the motherboard and the Nvidia GeForce 9600M as a discrete part. Jobs said that using the 9400M you get five hours of battery life and four hours with the 9600M. 