
Are the following mentions coreferent?:
<m> MacWorld </m> in While Apple's final keynote address at the annual MacWorld convention in San Francisco did not contain the iPhone-related announcements many had hoped for, we were given all of the details on Apple's latest revamp to their largest and most powerful MacBook Pro. 
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<m> Macworld </m> in Today may be Apple's last Macworld Expo appearance but Apple came bearing gifts. Apple's first hardware announcement at Macworld today introduced the 17 '' MacBook Pro. 