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: Khmer–Vietnamese relations | Statement: [southward expansion of Đại Việt (Nam tiến), relatedConcept, Khmer–Vietnamese relations]

Target entity: Khmer–Vietnamese relations
Context triple: [southward expansion of Đại Việt (Nam tiến), relatedConcept, Khmer–Vietnamese relations]

• A. Cambodian–Vietnamese War
  The Cambodian–Vietnamese War was a late-1970s conflict in which Vietnam invaded Cambodia, overthrew the Khmer Rouge regime, and installed a new government, leading to prolonged regional instability and international tensions during the Cold War.
• B. United States–Vietnam relations
  United States–Vietnam relations encompass the complex historical, political, military, and diplomatic interactions between the two countries, from early Cold War involvement and the Vietnam War to the gradual normalization and strategic partnership of recent decades.
• C. Cambodian territorial waters
  Cambodian territorial waters are the maritime zones under Cambodia’s jurisdiction in the Gulf of Thailand, encompassing its coastal sea areas and associated resources.
• D. Protectorate of Cambodia within French Indochina
  The Protectorate of Cambodia within French Indochina was a colonial-era political entity through which France exercised control over Cambodia’s foreign affairs and much of its internal administration while maintaining the Cambodian monarchy.
• E. Vietnam–China border region
  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.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"

Entity: Khmer–Vietnamese relations
Triple: [southward expansion of Đại Việt (Nam tiến), relatedConcept, Khmer–Vietnamese relations]

Khmer–Vietnamese relations encompass the complex historical, political, and cultural interactions—often marked by territorial disputes, migration, and conflict—between the Khmer (Cambodian) and Vietnamese peoples and states.

Target entity: Khmer–Vietnamese relations
Target entity description: Khmer–Vietnamese relations encompass the complex historical, political, and cultural interactions—often marked by territorial disputes, migration, and conflict—between the Khmer (Cambodian) and Vietnamese peoples and states.

• A. Cambodian–Vietnamese War
  The Cambodian–Vietnamese War was a late-1970s conflict in which Vietnam invaded Cambodia, overthrew the Khmer Rouge regime, and installed a new government, leading to prolonged regional instability and international tensions during the Cold War.
• B. United States–Vietnam relations
  United States–Vietnam relations encompass the complex historical, political, military, and diplomatic interactions between the two countries, from early Cold War involvement and the Vietnam War to the gradual normalization and strategic partnership of recent decades.
• C. Cambodian territorial waters
  Cambodian territorial waters are the maritime zones under Cambodia’s jurisdiction in the Gulf of Thailand, encompassing its coastal sea areas and associated resources.
• D. Protectorate of Cambodia within French Indochina
  The Protectorate of Cambodia within French Indochina was a colonial-era political entity through which France exercised control over Cambodia’s foreign affairs and much of its internal administration while maintaining the Cambodian monarchy.
• E. Vietnam–China border region
  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.
• F. None of above. chosen