Triple

Target entity: Great Lakes–St. Lawrence Seaway system
Context triple: [Buffalo River, partOf, Great Lakes–St. Lawrence Seaway system]

• A. Great Lakes–St. Lawrence system chosen
  The Great Lakes–St. Lawrence system is a vast interconnected chain of freshwater lakes and the St. Lawrence River that forms one of the world’s largest inland waterways, linking the interior of North America to the Atlantic Ocean.
• B. Great Lakes waterway
  The Great Lakes waterway is a system of natural and artificial channels that enables commercial and recreational navigation between the Great Lakes and the Atlantic Ocean via the Saint Lawrence River.
• C. Saint Clair–Detroit River System
  The Saint Clair–Detroit River System is a crucial binational waterway linking Lake Huron to Lake Erie, supporting major commercial shipping, ecological habitats, and regional water supplies between the United States and Canada.
• D. St. Lawrence River drainage basin
  The St. Lawrence River drainage basin is the vast watershed in North America that collects and channels water from the Great Lakes and numerous tributary rivers into the St. Lawrence River and ultimately the Atlantic Ocean.
• E. Great Lakes
  The Great Lakes are a chain of five vast freshwater lakes in North America that form the largest group of freshwater lakes on Earth by total area and are a critical hub for transportation, industry, and ecology.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.