Triple

Target entity: Saco River watershed
Context triple: [Ellis River (Saco River tributary), partOfWatershed, Saco River watershed]

• A. St. Regis River watershed
  The St. Regis River watershed is a drainage basin in northern New York’s Adirondack region that collects water from numerous lakes and streams, including Upper St. Regis Lake, and channels it into the St. Regis River system.
• B. Saugus River watershed
  The Saugus River watershed is the drainage basin in eastern Massachusetts that collects and channels water from numerous tributaries into the Saugus River before it flows into the Atlantic Ocean.
• C. Saco River chosen
  The Saco River is a major river in northeastern New England that flows from the White Mountains of New Hampshire through western Maine to the Atlantic Ocean, historically important for industry, transport, and recreation.
• D. Nottaway River basin
  The Nottaway River basin is a sub-basin in northwestern Quebec that drains into James Bay as part of the larger Hudson Bay watershed.
• E. Nishnabotna River watershed
  The Nishnabotna River watershed is a drainage basin in southwestern Iowa that collects and channels water from numerous streams and rivers into the Nishnabotna River system.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.