premise: The Burj Khalifa contains elevators.
hypothesis: The Burj Khalifa ( برج خليفة , Arabic for `` Khalifa Tower '' ; pronounced [ langˈbɝdʒ_kə ` li : fə ] ) , known as the Burj Dubai before its inauguration , is a megatall skyscraper in Dubai , United Arab Emirates . Although this design was derived from Tower Palace III , the Burj Khalifa 's central core houses all vertical transportation with the exception of egress stairs within each of the wings . It contains a total of 57 elevators and 8 escalators .