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 Don valley | Statement: [Upper Donside, regionOf, River Don valley]

Target entity: River Don valley
Context triple: [Upper Donside, regionOf, River Don valley]

• A. River Don valley chosen
  River Don valley is a scenic valley in Aberdeenshire, Scotland, shaped by the River Don and known for its historic estates, farmland, and rural landscapes.
• B. River Trent valley
  The River Trent valley is a historically significant region in central England that provided fertile land, transport routes, and strategic locations for early Anglo-Saxon groups such as the Iclingas.
• C. Meon Valley
  Meon Valley is a rural river valley in Hampshire, England, known for its picturesque landscapes, historic villages, and walking routes such as the Meon Valley Trail.
• D. Strathclyde valley
  Strathclyde valley is a historic region in southwestern Scotland centered on the River Clyde, long associated with the early medieval Kingdom of Strathclyde.
• E. River Severn valley
  The River Severn valley is a broad, historically significant river valley in western England shaped by the course of the River Severn and encompassing rural landscapes, market towns, and areas of natural and cultural heritage.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.