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: East African Rift region | Statement: [Grumeti River, partOf, East African Rift region]

Target entity: East African Rift region
Context triple: [Grumeti River, partOf, East African Rift region]

• A. East African Rift chosen
  The East African Rift is a major tectonic rift system in eastern Africa where the African Plate is splitting into separate plates, creating a chain of rift valleys, volcanoes, and lakes.
• B. East African Volcanic Province
  The East African Volcanic Province is a major tectonically active region in East Africa characterized by extensive volcanic activity associated with the East African Rift system.
• C. Afro-Arabian Rift System
  The Afro-Arabian Rift System is a major tectonic rift complex separating Africa from the Arabian Peninsula, characterized by active faulting, volcanism, and the formation of features such as the Red Sea and surrounding gulfs.
• D. Malawi Rift
  The Malawi Rift is a major segment of the East African Rift system characterized by active tectonics, deep basins, and the long, narrow Lake Malawi.
• E. Turkana Basin
  The Turkana Basin is a geologically rich region in East Africa renowned as one of the world’s most important areas for studying human evolution and ancient environments.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.