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: Elbe river system | Statement: [River Bille, partOf, Elbe river system]

Target entity: Elbe river system
Context triple: [River Bille, partOf, Elbe river system]

• A. Elbe basin chosen
  The Elbe basin is the extensive drainage area of the Elbe River in Central Europe, encompassing parts of Germany, the Czech Republic, and neighboring regions.
• B. Rednitz–Regnitz–Main river system
  The Rednitz–Regnitz–Main river system is a connected network of rivers in Franconia, Germany, that ultimately channels regional waterways, including tributaries like the Schwabach, toward the Main River and the Rhine basin.
• C. Saale River basin
  The Saale River basin is the drainage area of the Saale River in central Germany, encompassing its tributaries and surrounding landscapes before the river joins the Elbe.
• D. Elbe valley
  The Elbe valley is a scenic river valley along the Elbe River, known for its dramatic sandstone formations, historic towns, and cultural landscapes in central Europe.
• E. Plzeň river system
  The Plzeň river system is a network of rivers and streams in and around the city of Plzeň in the Czech Republic, formed by several converging waterways that drain the surrounding region.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.