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 River basin | Statement: [Nam Khan River, partOf, Mekong River basin]

Target entity: Mekong River basin
Context triple: [Nam Khan River, partOf, Mekong River basin]

• A. Mekong River chosen
  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.
• B. Thai–Myanmar river system
  The Thai–Myanmar river system is a network of rivers and tributaries that flow along and across the border between Thailand and Myanmar, playing a key role in the region’s ecology, transportation, and cross-border livelihoods.
• C. Mekong Delta
  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.
• D. 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.
• E. Se Kong River
  The Se Kong River is a major tributary of the Mekong River that flows through Laos, Vietnam, and Cambodia, supporting regional ecosystems and local livelihoods.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.