#roof.protective_cover  protective covering on top of a motor vehicle
  supertype:  protective_cover__protective_covering__protection  a covering that is intend to protect from damage or injury; "they had no protection from the fallout"; "wax provided protection for the floors"
  subtype:  hood.roof  the folding roof of a carriage
  part of:  autobus__autobu__bus__coach__charabanc__double-decker__jitney__motorbus__motorcoach__omnibus__omnibu  a vehicle carrying many passengers; used for public transport; "he always rode the bus to work"
  part of:  car__auto__automobile__machine__motorcar  4-wheeled motor vehicle; usually propelled by an internal combustion engine; "he needs a car to get to work"
  part of:  truck__motortruck  an automotive vehicle suitable for hauling

No statement uses or specializes roof.protective_cover; click here to add one.