Individual #Orinoco_River__Orinoco  a South American river 1,500 miles long; flows into the South Atlantic
  instance of:  #river
  part of:  #Colombia__Republic_of_Colombia  a republic in northwestern South America; the major legal crop is coffee but cocaine is also a major export
     part of:  #South_America  a continent in the western hemisphere connected to North America by the Isthmus of Panama
        part of:  #southern_hemisphere  the hemisphere south 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
  part of:  #Venezuela__Republic_of_Venezuela  a republic in northern South America on the Caribbean; achieved independence from Spain in 1811; rich in oil
     part of:  #South_America  a continent in the western hemisphere connected to North America by the Isthmus of Panama

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