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 Stour estuary | Statement: [Harwich Navyard Wharf, waterway, River Stour estuary]

Target entity: River Stour estuary
Context triple: [Harwich Navyard Wharf, waterway, River Stour estuary]

• A. Stour Estuary chosen
  Stour Estuary is a scenic tidal estuary on the River Stour forming part of the Suffolk–Essex border, noted for its wildlife, mudflats, and role in inspiring the paintings of John Constable.
• 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. Medway Estuary
  Medway Estuary is a tidal estuarine area in Kent, England, where the River Medway meets the Thames Estuary and the North Sea, noted for its mudflats, saltmarshes, and rich birdlife.
• D. River Deben estuary
  The River Deben estuary is a tidal inlet on the Suffolk coast of England, known for its scenic landscapes, sailing, and wildlife-rich saltmarshes.
• E. River Avon estuary
  The River Avon estuary is a tidal river mouth and coastal habitat in South Devon, England, known for its scenic landscapes, wildlife-rich mudflats and saltmarshes, and importance for conservation and recreation.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.