#Churchill_Downs  a racetrack for horse races in Louisville; site of the Kentucky Derby
  supertype:  #dirt_track  a racetrack that is not paved
  part of:  #Louisville  the largest city in Kentucky; located in north central Kentucky on the Ohio river; site of the Kentucky Derby
     part of:  #Kentucky__Bluegrass_State__KY  a state in east central United States; one of the Confederate states during the American Civil War; famous for breeding race horses
        part of:  #USA__United_States_of_America__United_States__America__US__U.S.__U.S.A.  North American republic containing 50 states - 48 conterminous states in North America plus Alaska in northwest North America and the Hawaiian Islands in the Pacific Ocean; achieved independence in 1776
           part of:  #North_America  a continent (the third largest) in the western hemisphere connected to South America by the Isthmus of Panama
              part of:  #northern_hemisphere  the hemisphere north of the equator
              part of:  #western_hemisphere__westernhemisphere__occident__New_World  the hemisphere that includes North and South America
              part of:  #the_Americas__America  North and South America

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