
Are the following mentions coreferent?:
<m> unveiled </m> in With a 17-inch MacBook Pro update unveiled at today's Macworld 2009 keynote, Apple has finally brought an entire line of Mac portables into view. The largest member of the MacBook family now comes with a faster front-side bus and processor, Nvidia graphics, DisplayPort interconnect with HDCP content protection, LED-backlit glossy display, and all of it wrapped up inside Apple's unibody aluminum enclosure with glass trackpad. 
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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. 