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: William IV, Duke of Bavaria | Statement: [Albert V, Duke of Bavaria, predecessor, William IV, Duke of Bavaria]

Target entity: William IV, Duke of Bavaria
Context triple: [Albert V, Duke of Bavaria, predecessor, William IV, Duke of Bavaria]

• A. William IV, Duke of Bavaria chosen
  William IV, Duke of Bavaria was a 16th-century Bavarian ruler known for his role in consolidating ducal power, supporting the arts and sciences, and issuing the Bavarian Reinheitsgebot (beer purity law) of 1516.
• B. William V, Duke of Bavaria
  William V, Duke of Bavaria was a 16th-century Bavarian ruler known for his staunch Counter-Reformation Catholicism, extensive patronage of Jesuits and the arts, and financial extravagance that led to his abdication in favor of his son.
• C. William III, Duke of Bavaria-Munich
  William III, Duke of Bavaria-Munich was a late 14th- and early 15th-century Wittelsbach ruler who governed part of Bavaria and played a role in the complex dynastic politics of the Holy Roman Empire.
• D. William II, Duke of Bavaria
  William II, Duke of Bavaria was a 14th-century German nobleman from the Wittelsbach dynasty who ruled parts of Bavaria and Holland during a period of regional dynastic conflicts.
• E. Philip William of Bavaria
  Philip William of Bavaria was a 17th-century Bavarian prince of the House of Wittelsbach who served as Bishop of Regensburg and held various ecclesiastical and political roles within the Holy Roman Empire.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.