Individual #Bay_of_Campeche  a bay of the Gulf of Mexico; formed by the Yucatan Peninsula
  instance of:  bay
  part of:  Gulf_of_Mexico__Golfo_de_Mexico  an arm of the Atlantic south of the United States and east of Mexico
     part of:  Atlantic_Ocean__Atlantic  the 2nd largest ocean; separates North and South America on the west from Europe and Africa on the east

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