
Are the following mentions coreferent?:
<m> take up </m> in Matt Smith will take up steering the TARDIS and saving the universe when the series returns for its fifth season. 
</s>
<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. 