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: Sino–Vietnamese border | Statement: [Detian Waterfall, locatedNear, Sino–Vietnamese border]

Target entity: Sino–Vietnamese border
Context triple: [Detian Waterfall, locatedNear, Sino–Vietnamese border]

• A. Vietnam–China border region chosen
  The Vietnam–China border region is a mountainous, strategically vital frontier area between northern Vietnam and southern China that has long been a key theater for military campaigns and cross-border interactions.
• B. Sichuan–Yunnan border
  The Sichuan–Yunnan border is the mountainous provincial boundary in southwest China separating Sichuan and Yunnan, known for its rugged terrain, seismic activity, and ethnically diverse communities.
• C. Guizhou–Yunnan border
  The Guizhou–Yunnan border is the provincial boundary in southwestern China separating Guizhou and Yunnan, characterized by mountainous terrain and ethnically diverse communities.
• D. Thai–Myanmar border
  The Thai–Myanmar border is a long, often porous frontier region marked by ethnic diversity, conflict-driven displacement, and extensive humanitarian and refugee activities.
• E. China–Mongolia border
  The China–Mongolia border is the international boundary separating the People’s Republic of China and Mongolia, stretching across remote deserts, grasslands, and mountain regions in East and Central Asia.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.