
Are the following mentions coreferent?:
<m> take up </m> in Peter Capaldi has been announced as the new Doctor Who, the 12th actor to take up the coveted TV role. Fans eagerly awaited the news, which was broadcast during a special live show on ABC this morning. He will replace Matt Smith, who announced in June that he was leaving the sci - fi show later this year. 
</s>
<m> replacing </m> in Matt Smith, 26, will make his debut in 2010, replacing David Tennant, who leaves at the end of this year. He is the youngest actor to play the part. He has previously appeared on TV, in films and the theatre and is best known for appearing in the BBC's The Ruby in the Smoke. 