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: Red River of the South | Statement: [Montague County, Texas, northernBoundaryFormedBy, Red River of the South]

Target entity: Red River of the South
Context triple: [Montague County, Texas, northernBoundaryFormedBy, Red River of the South]

• A. Red River of the South chosen
  The Red River of the South is a major river in the south-central United States that forms much of the border between Texas and Oklahoma before flowing into the Mississippi River system.
• B. Red River
  Red River is a classic 1948 American Western film directed by Howard Hawks, renowned for its epic cattle drive story and complex father-son conflict.
• C. Red River
  The Red River is a North American river flowing northward through the United States and Canada, forming part of the border between North Dakota and Minnesota before continuing into Manitoba.
• D. Red River
  Red River is the English name commonly used for the Kızılırmak River, the longest river entirely within Turkey, known for its reddish silt-laden waters.
• E. Red River
  The Red River is a major river in northern Vietnam that flows through the capital Hanoi and plays a crucial role in the region’s agriculture, transportation, and history.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target predicate: northernBoundaryFormedBy
Context triple: [Montague County, Texas, northernBoundaryFormedBy, Red River of the South]

• A. northernBoundaryExtendedTo
  Indicates that the northern boundary of one entity has been lengthened or expanded to reach or include another specified reference point or area.
• B. northernBoundaryReference chosen
  Indicates the feature or element that serves as the reference for defining the northern boundary of something.
• C. easternBoundaryFormedBy
  Indicates that the eastern boundary of an area, region, or object is defined or formed by a specified feature or entity.
• D. borderedToNorthBy
  Indicates that one entity lies directly to the north of another, sharing a common boundary along its southern edge.
• E. hasMajorIslandOnNorthernBoundary
  Indicates that the northern boundary of an entity is defined or significantly bordered by a major island.
• F. None of above.