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: Kova River | Statement: [Angara River, hasTributary, Kova River]

Target entity: Kova River
Context triple: [Angara River, hasTributary, Kova River]

• A. Vacha River
  The Vacha River is a significant river in southern Bulgaria known for its deep gorges, hydroelectric dams, and reservoirs as it flows through the Rhodope Mountains.
• B. Pedja River
  The Pedja River is a significant river in Estonia that flows through central parts of the country before joining the Emajõgi River.
• C. Veyle River
  The Veyle River is a tributary watercourse in eastern France that flows through the Ain department before joining the Saône River.
• D. Sonai River
  The Sonai River is a tributary waterway in northeastern India that feeds into the larger Barak River system.
• E. Musi River
  The Musi River is a major river in southern Sumatra, Indonesia, that flows through the city of Palembang and serves as an important transportation and economic lifeline for the region.
• 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: Kova River
Triple: [Angara River, hasTributary, Kova River]

The Kova River is a Siberian waterway in Russia that serves as one of the tributaries feeding into the Angara River system.

Target entity: Kova River
Target entity description: The Kova River is a Siberian waterway in Russia that serves as one of the tributaries feeding into the Angara River system.

• A. Vacha River
  The Vacha River is a significant river in southern Bulgaria known for its deep gorges, hydroelectric dams, and reservoirs as it flows through the Rhodope Mountains.
• B. Pedja River
  The Pedja River is a significant river in Estonia that flows through central parts of the country before joining the Emajõgi River.
• C. Veyle River
  The Veyle River is a tributary watercourse in eastern France that flows through the Ain department before joining the Saône River.
• D. Sonai River
  The Sonai River is a tributary waterway in northeastern India that feeds into the larger Barak River system.
• E. Musi River
  The Musi River is a major river in southern Sumatra, Indonesia, that flows through the city of Palembang and serves as an important transportation and economic lifeline for the region.
• F. None of above. chosen