
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. 
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<m> take over </m> in A relative unknown will take over the title role of Doctor Who in the British science fiction television show, making him the 11th time lord in 45 years to travel across the universe in the Tardis time-ship. 