
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 After weeks of speculation about what would be introduced at Macworld, Apple Inc. took the wraps off of updated iTunes and iLife software and unveiled a 17-inch MacBook Pro. The second revamped iLife offering unveiled at Apple's keynote Tuesday morning was a new version of iMovie, which allows new drag-and-drop editing features, video stabilization, built-in themes and animated travel maps. 