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: Duke of Austria | Statement: [Ladislaus the Posthumous, title, Duke of Austria]

Target entity: Duke of Austria
Context triple: [Ladislaus the Posthumous, title, Duke of Austria]

• A. Duke of Austria chosen
  The Duke of Austria was the hereditary noble title held by the medieval and early modern rulers of the Austrian lands within the Holy Roman Empire, preceding the later title of Archduke.
• B. Duke of Inner Austria
  The Duke of Inner Austria was the ruler of a Habsburg-controlled subdivision of the Austrian hereditary lands, centered on Styria, Carinthia, and Carniola in the late Middle Ages and early modern period.
• C. Duke of Styria
  The Duke of Styria was a medieval noble title governing the duchy of Styria in Central Europe, often held by prominent rulers within the Holy Roman Empire.
• D. Duke of Carinthia
  The Duke of Carinthia was a medieval noble title associated with the rule of the historical Carinthia region in Central Europe, often held by prominent dynasties and occasionally by reigning kings.
• E. Margrave of Austria
  The Margrave of Austria was a medieval frontier lordship of the Holy Roman Empire that governed the border territory of Austria before it was elevated to a duchy.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.