
Are the following mentions coreferent?:
<m> saying </m> in Advanced Micro Devices ( AMD ) Chief Executive Hector Ruiz waxed metaphorical as he described his company's acquisition of ATI Technologies. 
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<m> announcing </m> in The pitched battle for supremacy in the chip-making market reached a critical phase yesterday with Advanced Micro Devices ( AMD ) in Sunnyvale, Calif. announcing its decision to acquire Canadian graphic cards manufacturer ATI Technologies ( ATI ). 