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: Rappahannock River watershed | Statement: [Rappahannock River estuary, partOf, Rappahannock River watershed]

Target entity: Rappahannock River watershed
Context triple: [Rappahannock River estuary, partOf, Rappahannock River watershed]

• A. Rappahannock River chosen
  The Rappahannock River is a major waterway in eastern Virginia that flows from the Blue Ridge Mountains to the Chesapeake Bay and played a significant role in American colonial history and the Civil War.
• B. Shenandoah River
  The Shenandoah River is a scenic waterway flowing through Virginia and West Virginia, famed for its pastoral valleys, Blue Ridge Mountain backdrop, and prominence in American folk music and Civil War history.
• C. Severn River system
  The Severn River system is the interconnected network of the River Severn and its tributaries, forming one of the major drainage basins in Great Britain.
• D. Potomac River
  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.
• E. North Anna River watershed
  The North Anna River watershed is a drainage basin in central Virginia that collects and channels water from surrounding counties, including Louisa County, into the North Anna River system.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.