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: Vistula–Narew confluence | Statement: [Nowy Dwór Mazowiecki, riverConfluence, Vistula–Narew confluence]

Target entity: Vistula–Narew confluence
Context triple: [Nowy Dwór Mazowiecki, riverConfluence, Vistula–Narew confluence]

• A. Krzyworzeka River
  Krzyworzeka River is a minor river in southern Poland that serves as one of the tributaries feeding into the Raba River.
• B. Narew River chosen
  The Narew River is a major river in northeastern Poland and western Belarus, known for its unique anastomosing channels and as an important waterway feeding into the Vistula River system.
• C. Ujście
  Ujście is a small town in western Poland, located in the Greater Poland Voivodeship, known for its historic setting near the confluence of the Noteć and Gwda rivers.
• D. Biebrza River
  The Biebrza River is a major river in northeastern Poland renowned for its extensive marshes and the Biebrza National Park, one of Europe’s most important wetland wildlife refuges.
• E. Oder–Neisse river system
  The Oder–Neisse river system is a major Central European drainage basin centered on the Oder and Neisse rivers, forming much of the modern border between Germany and Poland and emptying into the Baltic Sea.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.