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: Koshi basin | Statement: [Tamur River, belongsToHydrologicalSystem, Koshi basin]

Target entity: Koshi basin
Context triple: [Tamur River, belongsToHydrologicalSystem, Koshi basin]

• A. Yarlung Tsangpo River basin
  The Yarlung Tsangpo River basin is a high-altitude watershed in Tibet that drains the upper reaches of the Brahmaputra River, encompassing deep gorges, extensive glaciers, and diverse alpine and subtropical ecosystems.
• B. Koshi River chosen
  The Koshi River is one of the largest and most powerful rivers in the Himalayan region, flowing from Tibet through Nepal into India and known for its massive drainage basin and frequent, destructive flooding.
• C. Budhi Gandaki River basin
  The Budhi Gandaki River basin is a Himalayan watershed in central Nepal that collects meltwater and runoff from high-altitude glaciers and mountains, including the Manaslu region, before feeding into the larger Gandaki river system.
• D. Chitral River basin
  The Chitral River basin is a mountainous watershed in northern Pakistan and eastern Afghanistan that collects meltwater and runoff from the Hindu Kush, including peaks like Tirich Mir, before flowing south toward the Kabul River.
• E. Brahmaputra Valley
  The Brahmaputra Valley is a fertile, densely populated river valley in northeastern India and Bangladesh, shaped by the course and seasonal flooding of the Brahmaputra River.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.