
Are the following mentions coreferent?:
<m> unveils </m> in Apple unveils new MacBook Pro with Ivy Bridge at WWDC. Apple is certainly making WWDC a hardware conference this year - it just unveiled a refresh of the existing MacBook Pro running Intel's newer Ivy Bridge processors on the San Francisco gathering's opening day. 
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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. 