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: Magdalena River basin | Statement: [Sumapaz region, waterSourceFor, Magdalena River basin]

Target entity: Magdalena River basin
Context triple: [Sumapaz region, waterSourceFor, Magdalena River basin]

• A. Magdalena River valley chosen
  The Magdalena River valley is a major geographic region in Colombia characterized by its long, fertile river basin that has historically served as a crucial corridor for exploration, settlement, and trade.
• B. Calima River basin
  The Calima River basin is a region in western Colombia known as the heartland of the pre-Columbian Calima culture, noted for its rich archaeological sites and goldwork.
• C. San Jorge River basin
  The San Jorge River basin is a region in northern Colombia historically inhabited and shaped by the Zenú Indigenous people, known for their advanced hydraulic engineering and rich pre-Columbian culture.
• D. Magdalena River
  The Magdalena River is Colombia’s principal waterway, flowing northward through the Andes to the Caribbean Sea and serving as a vital corridor for the country’s ecology, economy, and history.
• E. Atrato River basin
  The Atrato River basin is a biodiverse and rainforest-rich watershed in northwestern Colombia, known for its dense river network, Afro-Colombian and Indigenous communities, and significant ecological and cultural importance.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.