[PAR] [TLE] SIS Building [SEP] The SIS Building or MI6 Building at Vauxhall Cross houses the headquarters of the Secret Intelligence Service (SIS, MI6), the United Kingdom's foreign intelligence agency.  It is located at 85 Albert Embankment in Vauxhall, a south western part of central London, on the bank of the River Thames beside Vauxhall Bridge.  The building has been the headquarters of the SIS since 1994. [PAR] [TLE] Morpeth Arms [SEP] The Morpeth Arms is a public house at 58 Millbank, in the Pimlico district of London.  It was built in 1845 to refresh prison warders serving at the Millbank Penitentiary.  It now contains a Spying Room which provides a good view of the headquarters of the Secret Intelligence Service across the river.  The building is listed as Grade II and it is now part of the Young's estate.
[PAR] [TLE] SIS Building [ SEP ] The SIS Building or MI6 Building at Vauxhall Cross houses the headquarters of the Secret Intelligence Service ( SIS , MI6 ) , the United Kingdom 's foreign intelligence agency . It is located at 85 Albert Embankment in Vauxhall , a south western part of central London , on the bank of the River Thames beside Vauxhall Bridge . The building has been the headquarters of the SIS since 1994 . [PAR] [TLE] Morpeth Arms [ SEP ] The Morpeth Arms is a public house at 58 Millbank , in the Pimlico district of London . It was built in 1845 to refresh prison warders serving at the Millbank Penitentiary . It now contains a Spying Room which provides a good view of the headquarters of the Secret Intelligence Service across the river . The building is listed as Grade II and it is now part of the Young 's estate .
What is the official designation of the building visible from the Morpeth Arms in a manner enabling spying?
What is the official designation of the building visible from the Morpeth Arms in a manner enabling spying ?
SIS Building or MI6 Building
SIS Building or MI6 Building