Cambodia–Vietnam border region

Target entity: Cambodia–Vietnam border region
Context triple: [Parrot’s Beak region of Cambodia, partOf, Cambodia–Vietnam border region]

• A. Thai–Cambodian border region
  The Thai–Cambodian border region is a historically contested frontier zone marked by refugee movements, guerrilla activity, and cross-border political and military tensions between Thailand and Cambodia.
• B. Laos–Cambodia border
  The Laos–Cambodia border is an international boundary in mainland Southeast Asia separating the landlocked country of Laos from Cambodia, running through remote, sparsely populated regions of forests, rivers, and highlands.
• C. Laos–Vietnam border
  The Laos–Vietnam border is an international boundary in Southeast Asia separating the landlocked nation of Laos from Vietnam, running through mountainous terrain and dense forests.
• D. 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.
• E. Cambodia–South Vietnam border waterways
  The Cambodia–South Vietnam border waterways are a network of rivers and canals along the frontier between Cambodia and South Vietnam that were strategically significant for military operations and supply routes during the Vietnam War.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: Cambodia–Vietnam border region
Target entity description: The Cambodia–Vietnam border region is a historically contested frontier area marked by dense rural landscapes, ethnic diversity, and strategic zones such as the Parrot’s Beak that played key roles in regional conflicts.

• A. Thai–Cambodian border region
  The Thai–Cambodian border region is a historically contested frontier zone marked by refugee movements, guerrilla activity, and cross-border political and military tensions between Thailand and Cambodia.
• B. Laos–Cambodia border
  The Laos–Cambodia border is an international boundary in mainland Southeast Asia separating the landlocked country of Laos from Cambodia, running through remote, sparsely populated regions of forests, rivers, and highlands.
• C. Laos–Vietnam border
  The Laos–Vietnam border is an international boundary in Southeast Asia separating the landlocked nation of Laos from Vietnam, running through mountainous terrain and dense forests.
• D. 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.
• E. Cambodia–South Vietnam border waterways
  The Cambodia–South Vietnam border waterways are a network of rivers and canals along the frontier between Cambodia and South Vietnam that were strategically significant for military operations and supply routes during the Vietnam War.
• F. None of above. chosen