
Are the following mentions coreferent?:
<m> announced </m> in chipmaker AMD, hoping to gain a leg up on a resurgent rival Intel ( INTC ), on July 24 ended months of speculation by saying it would buy graphics chipmaker ATI for about $ 5.4 billion. 
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<m> said </m> in Hector Ruiz, chairman and chief executive of AMD, said that together they intend to create a processing powerhouse. 