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: Tana River | Statement: [Mount Kenya, isSourceOfRiver, Tana River]

Target entity: Tana River
Context triple: [Mount Kenya, isSourceOfRiver, Tana River]

• A. Tana River chosen
  The Tana River is Kenya's longest river, flowing from the central highlands to the Indian Ocean and serving as a vital source of water, hydroelectric power, and irrigation.
• B. Nera River
  The Nera River is a central Italian waterway flowing through the regions of Umbria and Lazio before joining the Tiber River.
• C. Kama River
  The Kama River is a major waterway in western Russia that serves as one of the largest and most significant tributaries of the Volga River.
• D. Winisk River
  The Winisk River is a remote, wild river in northern Ontario, Canada, flowing through boreal forest and tundra to empty into Hudson Bay.
• E. Okavango River
  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.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target predicate: isSourceOfRiver
Context triple: [Mount Kenya, isSourceOfRiver, Tana River]

• A. majorRiverSource
  Indicates that one entity is the primary originating source or headwaters location of a major river.
• B. sourceOfWatercourse chosen
  Indicates that one entity is the origin or starting point from which a watercourse (such as a river or stream) begins or flows.
• C. hasRiver
  Indicates that a location or area contains, is traversed by, or is directly associated with a river.
• D. mouthOfTheWatercourse
  Indicates the location where a watercourse ends and flows into a larger body of water.
• E. isRiverInHydrologicalSense
  Indicates that a river, considered as a hydrological feature (its water flow and drainage characteristics), is located within or associated with a specified geographic or hydrological area.
• F. None of above.