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: Crusade of Nicopolis | Statement: [Jean de Vienne, conflict, Crusade of Nicopolis]

Target entity: Crusade of Nicopolis
Context triple: [Jean de Vienne, conflict, Crusade of Nicopolis]

• A. Battle of Nicopolis chosen
  The Battle of Nicopolis was a major 1396 clash in which a crusader army led by European powers was decisively defeated by the Ottoman Empire, marking a turning point in Ottoman expansion into southeastern Europe.
• B. Siege of Varna
  The Siege of Varna was a major 1828 Russian assault and capture of the Ottoman-held Black Sea fortress city of Varna during the Russo-Turkish War, significantly weakening Ottoman defenses in the region.
• C. Battle of Varna
  The Battle of Varna was a decisive 1444 clash near Varna on the Black Sea in which an Ottoman victory crushed a major Christian crusading army and secured Ottoman dominance in the Balkans.
• D. Second Battle of Mohács
  The Second Battle of Mohács was a 1687 clash in the Great Turkish War in which Habsburg forces decisively defeated the Ottoman Empire, helping to end Ottoman dominance in Hungary.
• E. Battle of Klokotnitsa
  The Battle of Klokotnitsa was a decisive 1230 military victory in which the Second Bulgarian Empire crushed the Despotate of Epirus, establishing Bulgaria as the dominant power in the Balkans.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.