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: Yenisey River system | Statement: [Sym River, waterSystem, Yenisey River system]

Target entity: Yenisey River system
Context triple: [Sym River, waterSystem, Yenisey River system]

• A. 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.
• B. Yenisei River chosen
  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.
• C. Yenisei River basin
  The Yenisei River basin is the vast drainage area of the Yenisei River in Siberia, encompassing diverse mountain, taiga, and tundra landscapes and forming one of the largest river systems flowing into the Arctic Ocean.
• D. 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.
• E. 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.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.