Potomac River

Target entity: Potomac River
Context triple: [Washington, D.C., locatedOnRiver, Potomac River]

• A. Hudson River
  The Hudson River is a major waterway in eastern New York State that flows south past cities like Albany and New York City before emptying into the Atlantic Ocean at New York Harbor.
• B. Malden River
  The Malden River is a short urban river in the Greater Boston area of Massachusetts that flows through communities including Everett before joining the Mystic River.
• C. Arlington, Virginia
  Arlington, Virginia is an urban county directly across the Potomac River from Washington, D.C., known for its dense development, federal government agencies, and landmarks such as the Pentagon and Arlington National Cemetery.
• D. Clay Pit Pond
  Clay Pit Pond is a small, man-made body of water in Belmont, Massachusetts, known as a local recreational and scenic spot surrounded by walking paths and parkland.
• E. Lake Tahoe
  Lake Tahoe is a large, deep, and famously clear freshwater lake in the Sierra Nevada mountains, straddling the border of California and Nevada and serving as a major destination for outdoor recreation and tourism.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: Potomac River
Target entity description: The Potomac River is a major waterway in the Mid-Atlantic United States that flows through the Appalachian region and forms part of the boundary between Maryland, Virginia, and Washington, D.C.

• A. Hudson River
  The Hudson River is a major waterway in eastern New York State that flows south past cities like Albany and New York City before emptying into the Atlantic Ocean at New York Harbor.
• B. Malden River
  The Malden River is a short urban river in the Greater Boston area of Massachusetts that flows through communities including Everett before joining the Mystic River.
• C. Arlington, Virginia
  Arlington, Virginia is an urban county directly across the Potomac River from Washington, D.C., known for its dense development, federal government agencies, and landmarks such as the Pentagon and Arlington National Cemetery.
• D. Clay Pit Pond
  Clay Pit Pond is a small, man-made body of water in Belmont, Massachusetts, known as a local recreational and scenic spot surrounded by walking paths and parkland.
• E. Lake Tahoe
  Lake Tahoe is a large, deep, and famously clear freshwater lake in the Sierra Nevada mountains, straddling the border of California and Nevada and serving as a major destination for outdoor recreation and tourism.
• F. None of above. chosen