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: Angara–Yenisei river system | Statement: [Snezhnaya River, hasHydrologicalSystem, Angara–Yenisei river system]

Target entity: Angara–Yenisei river system
Context triple: [Snezhnaya River, hasHydrologicalSystem, Angara–Yenisei river system]

• A. Angara River
  The Angara River is a major river in Siberia that flows northward from Lake Baikal through Irkutsk Oblast before joining the Yenisei River.
• B. Upper Angara River
  The Upper Angara River is a major Siberian river in Russia that flows through Buryatia and Zabaykalsky Krai before emptying into Lake Baikal.
• C. Yenisei River
  The Yenisei River is one of the longest rivers in Asia, flowing northward through Siberia to the Arctic Ocean and forming a major part of the central Eurasian river system.
• D. Lena River basin
  The Lena River basin is a vast drainage area in eastern Siberia that collects the waters of the Lena River and its tributaries before they flow northward into the Arctic Ocean.
• E. Ob–Irtysh river system
  The Ob–Irtysh river system is a major river network in western Siberia, formed by the Ob River and its principal tributary the Irtysh, and is one of the largest drainage systems in the world.
• 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: Angara–Yenisei river system
Triple: [Snezhnaya River, hasHydrologicalSystem, Angara–Yenisei river system]

The Angara–Yenisei river system is a major Siberian waterway formed by the Angara and Yenisei rivers, draining a vast area of central Asia into the Arctic Ocean.

Target entity: Angara–Yenisei river system
Target entity description: The Angara–Yenisei river system is a major Siberian waterway formed by the Angara and Yenisei rivers, draining a vast area of central Asia into the Arctic Ocean.

• A. Angara River
  The Angara River is a major river in Siberia that flows northward from Lake Baikal through Irkutsk Oblast before joining the Yenisei River.
• B. Upper Angara River
  The Upper Angara River is a major Siberian river in Russia that flows through Buryatia and Zabaykalsky Krai before emptying into Lake Baikal.
• C. Yenisei River
  The Yenisei River is one of the longest rivers in Asia, flowing northward through Siberia to the Arctic Ocean and forming a major part of the central Eurasian river system.
• D. Lena River basin
  The Lena River basin is a vast drainage area in eastern Siberia that collects the waters of the Lena River and its tributaries before they flow northward into the Arctic Ocean.
• E. Ob–Irtysh river system
  The Ob–Irtysh river system is a major river network in western Siberia, formed by the Ob River and its principal tributary the Irtysh, and is one of the largest drainage systems in the world.
• F. None of above. chosen