#Big_Ben  clock in the clock tower of the Houses of Parliament, London
  supertype:  clock  a timepiece that shows the time of day
  part of:  London__Greater_London__British_capital__capital_of_the_United_Kingdom  the capital and largest city of England; located on the Thames in southeastern England; financial and industrial and cultural center
     part of:  England  a division of the United Kingdom
        part of:  Great_Britain  an island comprising England and Scotland and Wales
           part of:  British_Isles  Great Britain and Ireland and adjacent islands in the north Atlantic
              part of:  Atlantic_Ocean__Atlantic  the 2nd largest ocean; separates North and South America on the west from Europe and Africa on the east
           part of:  UK__Great_Britain_and_Northern_Ireland__Great_Britain__United_Kingdom_of_Great_Britain_and_Northern_Ireland__United_Kingdom__Britain  a monarchy in northwestern Europe occupying most of the British Isles; divided into England and Scotland and Wales and Northern Ireland
              part of:  British_Isles  Great Britain and Ireland and adjacent islands in the north Atlantic
        part of:  Europe  the 2nd smallest continent (actually a vast peninsula of Eurasia); the British use `Europe' to refer to all of the continent except the British Isles
           part of:  Eurasia  the land mass formed by the continents of Europe and Asia
              part of:  eastern_hemisphere__easternhemisphere__orient  the hemisphere that includes Eurasia and Africa and Australia
              part of:  northern_hemisphere  the hemisphere north of the equator

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