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: Indus–Ganga–Brahmaputra Plain | Statement: [Indo-Gangetic Plain, partOf, Indus–Ganga–Brahmaputra Plain]

Target entity: Indus–Ganga–Brahmaputra Plain
Context triple: [Indo-Gangetic Plain, partOf, Indus–Ganga–Brahmaputra Plain]

• A. Indo-Gangetic Plain chosen
  The Indo-Gangetic Plain is a vast, fertile alluvial lowland in northern India, Pakistan, and Bangladesh, formed by the Indus, Ganges, and Brahmaputra river systems and serving as one of the most densely populated and agriculturally productive regions in the world.
• B. 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.
• C. Indus River basin
  The Indus River basin is a vast drainage area in South Asia centered on the Indus River, supporting major agricultural regions and dense populations across parts of Pakistan, India, China, and Afghanistan.
• D. Terai
  Terai is a low-lying, fertile plains region at the foothills of the Himalayas, known for its rich agriculture and distinctive ecology across parts of northern India and Nepal.
• E. Ganges-Brahmaputra-Meghna Delta
  The Ganges-Brahmaputra-Meghna Delta is the world’s largest river delta, a vast low-lying alluvial plain spanning much of Bangladesh and eastern India, renowned for its fertile soils, dense population, and vulnerability to flooding and sea-level rise.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.