Triple

Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).

Phrase: North Branch Potomac River | Statement: [Fairfax Stone Historical Monument State Park, primaryWatercourse, North Branch Potomac River]

Target entity: North Branch Potomac River
Context triple: [Fairfax Stone Historical Monument State Park, primaryWatercourse, North Branch Potomac River]

• A. North Branch Potomac River chosen
  The North Branch Potomac River is the upper, more remote headwaters section of the Potomac River, flowing along the border of Maryland and West Virginia and supplying a major portion of the Potomac’s overall drainage.
• B. South Branch Potomac River
  The South Branch Potomac River is a major headwater stream of the Potomac River that flows through the Appalachian region of West Virginia and Virginia, known for its scenic valleys, outdoor recreation, and role in the Chesapeake Bay watershed.
• C. Choptank River
  The Choptank River is a major tributary on the Eastern Shore of Maryland that flows through rural and tidal landscapes before emptying into the Chesapeake Bay.
• D. Monocacy River
  The Monocacy River is a major river in Maryland known for its scenic valley, rich Civil War history, and role as a key waterway feeding into the Potomac River.
• E. Pocomoke River
  The Pocomoke River is a major blackwater river on the Delmarva Peninsula that flows through Maryland and Virginia before emptying into the Chesapeake Bay.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target predicate: primaryWatercourse
Context triple: [Fairfax Stone Historical Monument State Park, primaryWatercourse, North Branch Potomac River]

• A. sourceOfWatercourse
  Indicates that one entity is the origin or starting point from which a watercourse (such as a river or stream) begins or flows.
• B. mouthOfTheWatercourse
  Indicates the location where a watercourse ends and flows into a larger body of water.
• C. watercourseName
  Indicates the name assigned to a river, stream, or other flowing body of water in the relationship.
• D. hasWatercourseType
  Indicates the specific kind or category of watercourse (such as river, stream, or canal) associated with an entity.
• E. riverSystem chosen
  Indicates that one entity is a river system to which the other entity belongs or is a component (such as a tributary or segment).
• F. None of above.