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: Tigris | Statement: [Euphrátēs, formsRiverSystemWith, Tigris]

Target entity: Tigris
Context triple: [Euphrátēs, formsRiverSystemWith, Tigris]

• A. Tigris chosen
  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.
• B. Euphrates
  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.
• C. 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.
• D. 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.
• E. Greater Zab
  The Greater Zab is a major river in the Middle East that flows through Turkey and Iraq before joining the Tigris.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target predicate: formsRiverSystemWith
Context triple: [Euphrátēs, formsRiverSystemWith, Tigris]

• A. riverSystem
  Indicates that one entity is a river system to which the other entity belongs or is a component (such as a tributary or segment).
• B. tributarySystem
  Indicates a relationship where one political entity pays regular tribute or offers deference to another, acknowledging the latter’s superior authority or status.
• C. waterwaySystem
  Indicates that one entity is part of, or belongs to, a connected network of waterways associated with another entity.
• D. formsHeadwatersWith
  Indicates that two or more watercourses join or originate together to create the initial source or headwaters of a larger river or stream.
• E. riverConfluence chosen
  Indicates the location or relationship where two or more rivers or streams join and merge into a single watercourse.
• F. None of above.