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: Western Rift | Statement: [East African Rift, contains, Western Rift]

Target entity: Western Rift
Context triple: [East African Rift, contains, Western Rift]

• A. East African Rift
  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. Northeast Rift Zone
  The Northeast Rift Zone is a major volcanic fissure system on Mauna Loa’s flank from which many of the volcano’s historic lava flows have erupted.
• C. Southwest Rift Zone
  The Southwest Rift Zone is a major volcanic fissure system on Mauna Loa’s southwest flank that channels frequent eruptions and lava flows down toward the island’s coastal regions.
• D. Rio Grande Rift
  The Rio Grande Rift is a major north–south trending continental rift zone in the southwestern United States that marks where the Earth's crust is being pulled apart, forming a series of basins and uplifted ranges.
• E. Septentrional-Oriente fault zone
  The Septentrional-Oriente fault zone is a major strike-slip fault system in the northern Caribbean region that accommodates tectonic motion between the North American and Caribbean plates and is a significant source of regional earthquakes.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"

Entity: Western Rift
Triple: [East African Rift, contains, Western Rift]

The Western Rift is the western branch of the East African Rift system, characterized by deep rift valleys, large freshwater lakes like Lake Tanganyika, and significant tectonic and volcanic activity.

Target entity: Western Rift
Target entity description: The Western Rift is the western branch of the East African Rift system, characterized by deep rift valleys, large freshwater lakes like Lake Tanganyika, and significant tectonic and volcanic activity.

• 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. Northeast Rift Zone
  The Northeast Rift Zone is a major volcanic fissure system on Mauna Loa’s flank from which many of the volcano’s historic lava flows have erupted.
• C. Southwest Rift Zone
  The Southwest Rift Zone is a major volcanic fissure system on Mauna Loa’s southwest flank that channels frequent eruptions and lava flows down toward the island’s coastal regions.
• D. Rio Grande Rift
  The Rio Grande Rift is a major north–south trending continental rift zone in the southwestern United States that marks where the Earth's crust is being pulled apart, forming a series of basins and uplifted ranges.
• E. Septentrional-Oriente fault zone
  The Septentrional-Oriente fault zone is a major strike-slip fault system in the northern Caribbean region that accommodates tectonic motion between the North American and Caribbean plates and is a significant source of regional earthquakes.
• F. None of above.