
Are the following mentions coreferent?:
<m> intro </m> in After a witty intro by Siri herself, Apple CEO Tim Cook took the stage in San Francisco to welcome developers and announce new stuff. 
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<m> introduced </m> in Today may be Apple's last Macworld Expo appearance but Apple came bearing gifts. At today's keynote event, Apple introduced a collection of new and refreshed software and hardware products to show off on stage. Apple's first hardware announcement at Macworld today introduced the 17 '' MacBook Pro. 