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: Duchy of Austria | Statement: [Ottokar II of Bohemia, monarchOf, Duchy of Austria]

Target entity: Duchy of Austria
Context triple: [Ottokar II of Bohemia, monarchOf, Duchy of Austria]

• A. Duchy of Austria chosen
  The Duchy of Austria was a medieval principality in Central Europe that emerged from the Margraviate of Austria and became a key power base of the Habsburgs within the Holy Roman Empire.
• B. Archduchy of Austria
  The Archduchy of Austria was a major hereditary principality of the Habsburg Monarchy and a central territory of the Holy Roman Empire, centered on Vienna and forming the core of what later became modern Austria.
• C. Duchy of Styria
  The Duchy of Styria was a historic Central European principality centered in what is now southeastern Austria and northeastern Slovenia, notable as a key territorial and political component of the Habsburg lands.
• D. Archduchy of Inner Austria
  The Archduchy of Inner Austria was a Habsburg-ruled grouping of southeastern Austrian lands, including Styria, Carinthia, Carniola, and adjacent territories, that served as a key frontier region against the Ottoman Empire in the late 16th and early 17th centuries.
• E. Duchy of Carinthia
  The Duchy of Carinthia was a historical principality in the southeastern Alps that formed part of the Holy Roman Empire and later the Austrian Empire, encompassing territory in present-day Austria and Slovenia.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.