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: Leopold VI, Duke of Austria | Statement: [Leopold V, Duke of Austria, successor, Leopold VI, Duke of Austria]

Target entity: Leopold VI, Duke of Austria
Context triple: [Leopold V, Duke of Austria, successor, Leopold VI, Duke of Austria]

• A. Leopold VI, Duke of Austria chosen
  Leopold VI, Duke of Austria was a prominent early 13th-century Babenberg ruler known for expanding and consolidating Austrian and Styrian territories and fostering cultural and urban development, particularly in Vienna.
• B. Saint Leopold III, Margrave of Austria
  Saint Leopold III, Margrave of Austria, was an 11th–12th century Babenberg ruler venerated as a patron saint of Austria, renowned for his piety, just governance, and role in consolidating and developing the early Austrian margraviate.
• C. Rudolf IV, Duke of Austria
  Rudolf IV, Duke of Austria, was a 14th-century Habsburg ruler known for his ambitious state-building policies and cultural patronage, including major architectural projects in Vienna and efforts to elevate the status of his dynasty.
• D. Leopold V, Duke of Austria
  Leopold V, Duke of Austria, was a 12th-century Babenberg ruler best known for his role in the Third Crusade and for capturing King Richard I of England on his return from the Holy Land.
• E. Frederick I, Duke of Austria
  Frederick I, Duke of Austria was a late 12th- to early 13th-century Babenberg ruler who governed the Duchy of Austria and Styria and continued his family's consolidation of power in the region.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.