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: Orange–Vaal river system | Statement: [Vaalharts River, partOf, Orange–Vaal river system]

Target entity: Orange–Vaal river system
Context triple: [Vaalharts River, partOf, Orange–Vaal river system]

• A. Vaal River
  The Vaal River is one of South Africa’s major rivers, forming part of the border of Gauteng and serving as a key source of water for industry, agriculture, and urban areas.
• B. Limpopo River
  The Limpopo River is a major river in southern Africa that flows eastward from central southern Africa to the Indian Ocean, forming parts of the borders between several countries including South Africa, Botswana, and Zimbabwe.
• C. Dri River
  The Dri River is a tributary watercourse in the northeastern Indian state of Arunachal Pradesh, contributing to the Dibang River system within the Brahmaputra basin.
• D. Gariep River chosen
  The Gariep River, more widely known as the Orange River, is one of southern Africa’s longest and most important rivers, flowing westward across South Africa to the Atlantic Ocean.
• E. Lunga River
  The Lunga River is a significant river in Zambia that flows through the country's northwestern region, supporting local ecosystems and communities along its course.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.