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: China–Vietnam border | Statement: [Chongzuo, borderRegionOf, China–Vietnam border]

Target entity: China–Vietnam border
Context triple: [Chongzuo, borderRegionOf, China–Vietnam 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. Myanmar–China border
  The Myanmar–China border is an international boundary running through rugged, ethnically diverse highlands in Southeast Asia, serving as a key corridor for trade, migration, and strategic influence between the two countries.
• C. 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.
• 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. Russia–China border
  The Russia–China border is the long international boundary separating the Russian Federation and the People’s Republic of China, stretching thousands of kilometers across rivers, mountains, and remote terrain in Northeast and Central Asia.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.