“Duterte jokes two Dutertes to ‘sit’ (as) president (and) VP for 11 days” (on June 19) (inq.net). Yes, it’s a joke, there is no vacancy in the Office of the Vice President on June 19, Mayor Sara’s oathtaking as Vice President is ceremonial, there being no vacancy in the OVP on June 19, it confers no authority then and thence to discharge any OVP functions