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 | Statement: [Guinea, hasMajorRiverSource, Niger River]

Target entity: Niger River
Context triple: [Guinea, hasMajorRiverSource, Niger River]

• A. 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.
• B. Sanaga River
  The Sanaga River is the longest river in Cameroon, flowing from the central highlands to the Atlantic Ocean and serving as a major source of hydroelectric power and water resources for the country.
• C. Congo River
  The Congo River is Africa’s second-longest river and the world’s deepest, flowing through central Africa to the Atlantic Ocean and serving as a major waterway for transport, ecology, and regional economies.
• D. Benue River
  The Benue River is a major West African waterway and the largest tributary of the Niger River, flowing through Cameroon and Nigeria and serving as an important route for transport, agriculture, and fishing.
• E. 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.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target predicate: hasMajorRiverSource
Context triple: [Guinea, hasMajorRiverSource, Niger River]

• A. majorRiverSource chosen
  Indicates that one entity is the primary originating source or headwaters location of a major river.
• B. hasRiver
  Indicates that a location or area contains, is traversed by, or is directly associated with a river.
• C. hasMajorCityOnRiver
  Indicates that a major city is located on and directly associated with a particular river.
• D. hasMajorTownOnRiver
  Indicates that a major town is located on and directly associated with a particular river.
• E. sourceOfWatercourse
  Indicates that one entity is the origin or starting point from which a watercourse (such as a river or stream) begins or flows.
• F. None of above.