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: Nairobi River | Statement: [Nairobi, river, Nairobi River]

Target entity: Nairobi River
Context triple: [Nairobi, river, Nairobi River]

• A. Atbara River
  The Atbara River is a major tributary of the Nile in northeastern Africa, flowing from the Ethiopian Highlands northward through Sudan before joining the main Nile.
• B. Tekeze River
  The Tekeze River is a major river in the Horn of Africa that flows through northern Ethiopia and Eritrea, carving one of the deepest gorges in Africa before joining the Atbarah River.
• C. Mapocho River
  The Mapocho River is a major waterway flowing through the city of Santiago, Chile, historically central to its development and urban landscape.
• D. Kosi
  Kosi is a major Himalayan river in northern India and Nepal, often called the "Sorrow of Bihar" for its frequent and devastating floods before joining the Ganges.
• E. Zambezi River
  The Zambezi River is one of Africa’s largest rivers, famed for Victoria Falls and its role as a vital waterway and natural border in southern Africa.
• 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: Nairobi River
Triple: [Nairobi, river, Nairobi River]

The Nairobi River is a major waterway flowing through Kenya’s capital city, historically central to its development but now heavily impacted by urban pollution and restoration efforts.

Target entity: Nairobi River
Target entity description: The Nairobi River is a major waterway flowing through Kenya’s capital city, historically central to its development but now heavily impacted by urban pollution and restoration efforts.

• A. Atbara River
  The Atbara River is a major tributary of the Nile in northeastern Africa, flowing from the Ethiopian Highlands northward through Sudan before joining the main Nile.
• B. Tekeze River
  The Tekeze River is a major river in the Horn of Africa that flows through northern Ethiopia and Eritrea, carving one of the deepest gorges in Africa before joining the Atbarah River.
• C. Mapocho River
  The Mapocho River is a major waterway flowing through the city of Santiago, Chile, historically central to its development and urban landscape.
• D. Kosi
  Kosi is a major Himalayan river in northern India and Nepal, often called the "Sorrow of Bihar" for its frequent and devastating floods before joining the Ganges.
• E. Zambezi River
  The Zambezi River is one of Africa’s largest rivers, famed for Victoria Falls and its role as a vital waterway and natural border in southern Africa.
• F. None of above. chosen