
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 Apple Inc on Tuesday ( Jan 6 ) introduced what it claims to be the world's thinnest and lightest 17-inch laptop with a new unibody aluminium enclosure and a built-in battery said to deliver up to eight hours of use and a lifespan three times longer than conventional laptop batteries. It also announced a revamp of its iLife suite of digital lifestyle software at the Macworld Expo trade show here, in particular the iPhoto photo management software which now comes with face detection technology and built-in support for Facebook. 