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: Okavango River basin | Statement: [Cuito River, partOf, Okavango River basin]

Target entity: Okavango River basin
Context triple: [Cuito River, partOf, Okavango River basin]

• A. Okavango Delta
  The Okavango Delta is a vast inland river delta in northern Botswana renowned for its rich wildlife, seasonal flooding, and status as one of Africa’s premier safari destinations.
• B. Okavango River chosen
  The Okavango River is a major river in southwest Africa that famously fans out into the vast Okavango Delta, one of the world’s largest inland wetlands and a critical wildlife habitat.
• C. Zambezi Basin
  The Zambezi Basin is the vast river catchment area in southern Africa that collects the waters of the Zambezi River and its tributaries, encompassing parts of several countries and supporting major ecosystems, agriculture, and hydropower.
• D. Sanaga River basin
  The Sanaga River basin is the extensive watershed in Cameroon that collects and channels rainfall and tributary flows into the Sanaga River, the country’s largest river system and a key resource for hydropower, ecosystems, and local livelihoods.
• E. Kama River basin
  The Kama River basin is a major drainage basin in European Russia that collects the waters of numerous tributaries before they flow into the Volga River.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.