
Are the following mentions coreferent?:
<m> replacing </m> in Peter Capaldi to replace Matt Smith on Doctor Who. The Thick of It actor will play the 12th Doctor, replacing Matt Smith on BBC One's hit sci - fi drama. He will take over from Smith in this year's Christmas special ahead of his first full series as the Time Lord in 2014. 
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<m> take up </m> in Matt, who has stage and TV credits, will take up the role in 2010. 