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: Rudolf of Austria | Statement: [Charlotte of Austria, sibling, Rudolf of Austria]

Target entity: Rudolf of Austria
Context triple: [Charlotte of Austria, sibling, Rudolf of Austria]

• A. Rudolf of Habsburg-Lorraine
  Rudolf of Habsburg-Lorraine was a 19th-century Austrian archduke of the Habsburg-Lorraine dynasty, known primarily as a member of the imperial family of the Austrian Empire.
• B. Rudolf of Habsburg
  Rudolf of Habsburg was the first king of Germany from the Habsburg dynasty, whose election in 1273 marked the end of the Great Interregnum in the Holy Roman Empire.
• C. Rudolf Franz Karl Josef von Österreich-Ungarn
  Rudolf Franz Karl Josef von Österreich-Ungarn was the 19th-century Crown Prince of Austria-Hungary, best known as the heir to Emperor Franz Joseph I and for his tragic death in the Mayerling incident.
• D. Franz Joseph Karl von Habsburg-Lothringen
  Franz Joseph Karl von Habsburg-Lothringen, better known as Francis I of Austria, was the first Emperor of Austria and the last Holy Roman Emperor, ruling during the turbulent Napoleonic era and the reorganization of Central Europe.
• E. Rudolf, Crown Prince of Austria chosen
  Rudolf, Crown Prince of Austria, was the only son of Emperor Franz Joseph I and Empress Elisabeth of Austria, whose liberal views and tragic death in the Mayerling incident made him a notable and controversial figure of the late Habsburg monarchy.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.