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: Upper Euphrates | Statement: [Mithridates II of Commagene, region, Upper Euphrates]

Target entity: Upper Euphrates
Context triple: [Mithridates II of Commagene, region, Upper Euphrates]

• A. Euphrates chosen
  The Euphrates is one of Western Asia’s longest and most historically significant rivers, flowing through modern-day Turkey, Syria, and Iraq and forming part of the cradle of ancient Mesopotamian civilization.
• B. Tigris
  The Tigris is a major river in Western Asia that, together with the Euphrates, forms the historical Mesopotamian heartland and flows through modern-day Turkey, Syria, and Iraq.
• C. Orontes River
  The Orontes River is a major river in the Eastern Mediterranean that flows through Lebanon, Syria, and Turkey, historically supporting important cities and civilizations along its banks.
• D. Diyala River
  The Diyala River is a significant river in eastern Iraq and western Iran that flows through the Zagros Mountains before joining the Tigris near Baghdad, supporting agriculture and settlements along its course.
• E. Tigris–Euphrates river system
  The Tigris–Euphrates river system is a major river network in Western Asia that nurtured the ancient civilizations of Mesopotamia and remains vital to the region’s ecology, agriculture, and human settlement.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.