
Are the following mentions coreferent?:
<m> leave </m> in Matt Smith has time to come to terms to the task ahead, as current Doctor Who, David Tennant will not leave the BBC show until the end of 2009. 
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<m> leaving </m> in Peter Capaldi has been announced as the new Doctor Who, the 12th actor to take up the coveted TV role. The 55 - year - old Scottish actor will replace Matt Smith, who announced in June that he was leaving the sci - fi show later this year. 