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: Niger River basin | Statement: [Gurara Falls, watercourseBasin, Niger River basin]

Target entity: Niger River basin
Context triple: [Gurara Falls, watercourseBasin, Niger River basin]

• A. 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.
• B. Niger River valley
  The Niger River valley is a fertile and historically significant region in West Africa that has long supported dense human settlement, agriculture, and trade along the course of the Niger River.
• C. Athi River basin
  The Athi River basin is a major drainage basin in Kenya that collects waters from rivers such as the Nairobi River and ultimately feeds into the Indian Ocean.
• D. Niger River chosen
  The Niger River is a major West African river that flows in a great arc through countries including Guinea, Mali, Niger, and Nigeria before emptying into the Atlantic Ocean.
• E. Nile Basin
  The Nile Basin is the extensive drainage region of the Nile River, spanning multiple countries in northeastern Africa and supporting diverse ecosystems and large human populations dependent on its water resources.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target predicate: watercourseBasin
Context triple: [Gurara Falls, watercourseBasin, Niger River basin]

• A. resourceBasin
  Indicates a relationship where a basin serves as a source or reservoir of resources for another entity or area.
• B. associatedRiverBasin chosen
  Indicates that one entity is linked to, or lies within the drainage area of, a particular river basin.
• C. countryDownstreamBasin
  Indicates that one country lies within the downstream portion of a river basin relative to another country or reference point.
• D. basinPartOf
  Indicates that one basin is a component or subdivision of a larger basin or basin system.
• E. drainageBasin
  Indicates the area of land where all precipitation and surface water flow are collected and drained toward a particular river, lake, or other water body.
• F. None of above.