
Are the following mentions coreferent?:
<m> said </m> in Phil Schiller, Apple senior vice president of marketing, said that the battery, based on conventional lithium polymer technology commonly found in laptops and mobile phones, has been integrated into the case to make the device thinner while increasing battery life. 
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<m> announce </m> in Apple has chosen WWDC week to announce an update to its MacBook Air line. 