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: Vietnamese–Cham conflicts in the 11th century | Statement: [southward expansion of Đại Việt (Nam tiến), startEvent, Vietnamese–Cham conflicts in the 11th century]

Target entity: Vietnamese–Cham conflicts in the 11th century
Context triple: [southward expansion of Đại Việt (Nam tiến), startEvent, Vietnamese–Cham conflicts in the 11th century]

• A. Mongol invasion of Vietnam
  The Mongol invasion of Vietnam was a series of 13th-century military campaigns by the Mongol Empire against the Đại Việt kingdom that were ultimately repelled, contributing to the limits of Mongol expansion in Southeast Asia.
• B. 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.
• C. Lê–Mạc War
  The Lê–Mạc War was a prolonged 16th-century civil conflict in Vietnam between the restored Lê dynasty and the rival Mạc dynasty that reshaped the country’s political landscape.
• D. Battle of Tapae
  The Battle of Tapae was a key engagement between Roman forces under Emperor Domitian and later Trajan and the Dacians, fought near the Iron Gates of Transylvania and remembered as a crucial step in Rome’s eventual conquest of Dacia.
• E. Battle of Buôn Ma Thuột
  The Battle of Buôn Ma Thuột was a decisive 1975 engagement in Vietnam’s Central Highlands whose outcome triggered the rapid collapse of South Vietnamese defenses and paved the way for the fall of Saigon.
• 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: Vietnamese–Cham conflicts in the 11th century
Triple: [southward expansion of Đại Việt (Nam tiến), startEvent, Vietnamese–Cham conflicts in the 11th century]

The Vietnamese–Cham conflicts in the 11th century were a series of wars between the Đại Việt kingdom and the Champa polity that marked an early phase of Vietnamese territorial expansion to the south.

Target entity: Vietnamese–Cham conflicts in the 11th century
Target entity description: The Vietnamese–Cham conflicts in the 11th century were a series of wars between the Đại Việt kingdom and the Champa polity that marked an early phase of Vietnamese territorial expansion to the south.

• A. Mongol invasion of Vietnam
  The Mongol invasion of Vietnam was a series of 13th-century military campaigns by the Mongol Empire against the Đại Việt kingdom that were ultimately repelled, contributing to the limits of Mongol expansion in Southeast Asia.
• B. 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.
• C. Lê–Mạc War
  The Lê–Mạc War was a prolonged 16th-century civil conflict in Vietnam between the restored Lê dynasty and the rival Mạc dynasty that reshaped the country’s political landscape.
• D. Battle of Tapae
  The Battle of Tapae was a key engagement between Roman forces under Emperor Domitian and later Trajan and the Dacians, fought near the Iron Gates of Transylvania and remembered as a crucial step in Rome’s eventual conquest of Dacia.
• E. Battle of Buôn Ma Thuột
  The Battle of Buôn Ma Thuột was a decisive 1975 engagement in Vietnam’s Central Highlands whose outcome triggered the rapid collapse of South Vietnamese defenses and paved the way for the fall of Saigon.
• F. None of above. chosen