
Are the following mentions coreferent?:
<m> unveiled </m> in On Saturday, the 26-year-old was handed the keys to the Tardis when he was unveiled as the 11th Doctor Who, replacing David Tennant, who steps down later this year. 
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<m> unveiled </m> in The new Doctor Who has finally been unveiled. Yesterday evening the new tenant of the Tardis was unveiled as Peter Capaldi stepped into Matt Smith's soon to be vacant Doctor Who shoes as the twelfth incarnation of the Time Lord. 