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 | Statement: [Namibia and Botswana, shareRiverSystem, Okavango River]

Target entity: Okavango River
Context triple: [Namibia and Botswana, shareRiverSystem, Okavango River]

• A. 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.
• B. Chobe River
  The Chobe River is a major waterway in southern Africa known for its rich wildlife, forming part of the border between Namibia and Botswana and feeding into the Zambezi River system.
• C. Apa River
  The Apa River is a South American waterway that forms part of the border between Brazil and Paraguay before joining the Paraguay River.
• D. Bua River
  The Bua River is a major river in Malawi that drains part of the country’s central region before emptying into Lake Malawi.
• E. Cuito River
  The Cuito River is a significant river in southern Africa that flows through Angola and Namibia, contributing substantially to the Okavango Basin and its inland delta system.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target predicate: shareRiverSystem
Context triple: [Namibia and Botswana, shareRiverSystem, Okavango River]

• A. riverSystem
  Indicates that one entity is a river system to which the other entity belongs or is a component (such as a tributary or segment).
• B. tributarySystem
  Indicates a relationship where one political entity pays regular tribute or offers deference to another, acknowledging the latter’s superior authority or status.
• C. waterwaySystem
  Indicates that one entity is part of, or belongs to, a connected network of waterways associated with another entity.
• D. watercourseThroughRegion chosen
  Indicates that a watercourse (such as a river or stream) passes through or traverses a specified region.
• E. reservoirRiver
  Indicates that a reservoir is supplied or drained by, and thus hydrologically connected to, a particular river.
• F. None of above.