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: Middle Río Negro Valley | Statement: [National Route 250 (Argentina), connectsRegion, Middle Río Negro Valley]

Target entity: Middle Río Negro Valley
Context triple: [National Route 250 (Argentina), connectsRegion, Middle Río Negro Valley]

• A. Upper Río Negro Valley
  The Upper Río Negro Valley is a fertile region in northern Patagonia, Argentina, renowned for its intensive fruit production—especially apples and pears—supported by extensive irrigation systems along the Negro River.
• B. Río Negro River valley chosen
  The Río Negro River valley is a fertile region in northern Patagonia, Argentina, known for its extensive fruit orchards, vineyards, and irrigated agriculture.
• C. Río Mayo valley
  Río Mayo valley is a region in southern Chile known for its riverine landscapes, rural communities, and role as a traditional agricultural and pastoral area in Patagonia.
• D. Jaguaribe River valley
  The Jaguaribe River valley is a fertile and strategically important river basin in the state of Ceará, Brazil, known for its irrigated agriculture and semi-arid landscapes.
• E. Río Bec region
  The Río Bec region is an archaeological area in the southern Maya lowlands of Mexico known for its distinctive Classic-period Maya cities featuring elaborate, non-functional twin-tower temple-pyramids.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.