
Are the following mentions coreferent?:
<m> replace </m> in Peter Capaldi is officially set to replace exiting star Matt Smith as the TARDIS leader, producer Steven Moffat announced on the live BBC special Doctor Who Live : The Next Doctor Sunday. He appeared opposite David Tennant in The Fires of Pompeii in 2008 as Caecilius and had a major role on Torchwood : Children of Earth, the Doctor Who spinoff series. He also appeared in Brad Pitt's World War Z as a World Health Organization doctor, or W. H. O. doctor for short. 
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<m> take over </m> in After lots of speculation, Peter Capaldi has been named the new Doctor for Series 8 of "Doctor Who" He will take over for Matt Smith, the 12th Doctor, who is leaving during the 2013 Christmas Special. The announcement was made Sunday ( August 4 ), during "Doctor Who Live : The Next Doctor," which aired on BBC and BBC America. Capaldi has also appeared on "Doctor Who" before, guest starring in the Series 4 episode "The Fires of Pompeii." 