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: River Waveney valley | Statement: [Mendham, locatedOn, River Waveney valley]

Target entity: River Waveney valley
Context triple: [Mendham, locatedOn, River Waveney valley]

• A. River Waveney chosen
  The River Waveney is a river in East Anglia, England, forming part of the Norfolk–Suffolk border and flowing through the Broads National Park before joining the River Yare.
• B. River Waveney estuary
  The River Waveney estuary is the tidal lower reach of the River Waveney on the Norfolk–Suffolk border in eastern England, forming part of the Broads network before entering the North Sea.
• C. River Yare
  The River Yare is a major river in Norfolk, England, flowing through the Norfolk Broads to the North Sea and historically serving as an important navigation and trade route.
• D. Stour Valley
  Stour Valley is a picturesque river valley in eastern England known for its rural landscapes and association with the painter John Constable.
• E. River Foulness
  The River Foulness is a river in eastern England that drains parts of Lincolnshire and Nottinghamshire before joining the River Trent.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.