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: Upper Magdalena–Cauca basin (regionally) | Statement: [Ventaquemada, locatedInHydrologicalBasin, Upper Magdalena–Cauca basin (regionally)]

Target entity: Upper Magdalena–Cauca basin (regionally)
Context triple: [Ventaquemada, locatedInHydrologicalBasin, Upper Magdalena–Cauca basin (regionally)]

• A. Magdalena–Cauca basin chosen
  The Magdalena–Cauca basin is a major river system in Colombia that drains much of the country’s Andean region and serves as a key corridor for biodiversity, transportation, and economic activity.
• B. Bogotá River basin
  The Bogotá River basin is a watershed in central Colombia that drains the Bogotá savanna and surrounding Andean highlands, encompassing major urban and industrial areas including the capital region.
• C. Magdalena–Cauca river system
  The Magdalena–Cauca river system is Colombia’s principal fluvial network, formed by the Magdalena and Cauca rivers and their tributaries, and is crucial for the country’s ecology, economy, and inland navigation.
• D. Upper Magdalena region
  The Upper Magdalena region is an area in southwestern Colombia known as the heartland of ancient Andean cultures, particularly associated with the monumental stone sculptures and archaeological sites of the San Agustín tradition.
• E. Caquetá River basin
  The Caquetá River basin is a vast, biodiverse watershed in the western Amazon region of Colombia and Brazil, home to numerous Indigenous communities and rich tropical rainforest ecosystems.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.