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 River basin | Statement: [Poprad River, partOf, Vistula River basin]

Target entity: Vistula River basin
Context triple: [Poprad River, partOf, Vistula River basin]

• A. Vistula River chosen
  The Vistula River is Poland’s longest and most important river, flowing from the Carpathian Mountains to the Baltic Sea and passing through major cities such as Kraków and Warsaw.
• B. Oder River
  The Oder River is a major Central European river that flows through the Czech Republic, Poland, and along the Polish–German border before emptying into the Baltic Sea.
• C. Vistula Delta
  The Vistula Delta is the low-lying, fertile region in northern Poland where the Vistula River branches and empties into the Baltic Sea, characterized by extensive wetlands, polders, and a long history of human land reclamation.
• D. Dunajec River
  The Dunajec River is a picturesque river in southern Poland and northern Slovakia, renowned for its scenic gorge and popular rafting routes through the Pieniny Mountains.
• E. Lech River
  The Lech River is a major Alpine river flowing through Austria and southern Germany, known for its scenic course, hydropower use, and role as a tributary of the Danube.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.