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 conflicts (1979–1990s) | Statement: [Vietnam–China border region, wasTheaterOfConflict, Sino-Vietnamese border conflicts (1979–1990s)]

Target entity: Sino-Vietnamese border conflicts (1979–1990s)
Context triple: [Vietnam–China border region, wasTheaterOfConflict, Sino-Vietnamese border conflicts (1979–1990s)]

• A. Sino-Vietnamese War chosen
  The Sino-Vietnamese War was a brief but intense 1979 border conflict in which China launched a punitive invasion of northern Vietnam, leading to heavy casualties and lasting regional tensions.
• B. Sino–Soviet border conflict
  The Sino–Soviet border conflict was a series of armed clashes in 1969 between the Soviet Union and the People’s Republic of China along their disputed frontier, marking the peak of tensions in the Sino–Soviet split.
• C. Franco-Chinese conflicts in Vietnam
  The Franco-Chinese conflicts in Vietnam were late 19th-century military confrontations between France and Qing China over control and influence in Vietnam, culminating in the Sino-French War and the establishment of French colonial rule in Indochina.
• D. 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.
• E. Laotian–Siamese conflict
  The Laotian–Siamese conflict was a series of early 19th-century military confrontations between the Kingdom of Siam (Thailand) and Lao principalities that reshaped political control in mainland Southeast Asia.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.