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: Eastern Rift Valley | Statement: [Gilgil River, drainageBasin, Eastern Rift Valley]

Target entity: Eastern Rift Valley
Context triple: [Gilgil River, drainageBasin, Eastern Rift Valley]

• 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. Great Rift Valley
  The Great Rift Valley is a vast geological trench system stretching from the Middle East through eastern Africa, known for its dramatic landscapes, tectonic activity, and rich biodiversity.
• C. Jordan Rift Valley
  The Jordan Rift Valley is a major geological depression in the Middle East forming part of the Great Rift Valley, characterized by its below-sea-level basin that includes the Dead Sea and the Jordan River.
• 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. Eastern Rift Mountains
  The Eastern Rift Mountains are a rugged mountain range in Antarctica that form part of the Transantarctic Mountains and host extensive glacial features such as the Southern Icefield.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.