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: Mekong Delta | Statement: [Cochinchina, geographicalFeature, Mekong Delta]

Target entity: Mekong Delta
Context triple: [Cochinchina, geographicalFeature, Mekong Delta]

• A. Mekong Delta chosen
  The Mekong Delta is a vast, fertile river delta region in southern Vietnam known for its intricate network of waterways, rice paddies, and floating markets.
• B. Chao Phraya River delta
  The Chao Phraya River delta is a fertile, low-lying alluvial plain in central Thailand that forms the country’s main rice-growing region and hosts its capital, Bangkok.
• C. Namoi River catchment
  The Namoi River catchment is a major river basin in northern New South Wales, Australia, encompassing agricultural lands and tributaries that drain into the Namoi River before joining the Barwon–Darling river system.
• D. Saigon River
  The Saigon River is a major waterway in southern Vietnam that flows through Ho Chi Minh City and serves as an important route for transport, trade, and urban life.
• E. Mekong River
  The Mekong River is one of Asia’s longest and most important rivers, flowing from the Tibetan Plateau through several Southeast Asian countries before emptying into the South China Sea.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.