Individual #Great_Lakes  a group of 5 lakes in central North America
  instance of:  lake
  part of:  Canada  USA
  part:  Lake_Erie__Erie  the 4th largest of the Great Lakes; it is linked to the Hudson River by the New York State Barge Canal
  part:  Lake_Huron__Huron  the 2nd largest of the Great Lakes
  part:  Lake_Michigan__Michigan  the 3rd largest of the Great Lakes; the largest fresh-water lake entirely within the United States borders
  part:  Lake_Ontario__Ontario  the smallest of the Great Lakes
  part:  Lake_Superior__Superior  the largest freshwater lake in the world; the deepest of the Great Lakes

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