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: Henry IV, Duke of Saxony | Statement: [Maurice, Elector of Saxony, father, Henry IV, Duke of Saxony]

Target entity: Henry IV, Duke of Saxony
Context triple: [Maurice, Elector of Saxony, father, Henry IV, Duke of Saxony]

• A. Henry IV, Duke of Saxony chosen
  Henry IV, Duke of Saxony, was a 16th-century German nobleman of the House of Wettin who held ducal authority in Saxony as a member of the region’s ruling dynasty.
• B. John Frederick III, Duke of Saxony
  John Frederick III, Duke of Saxony, was a 16th-century German nobleman of the Ernestine Wettin line known for his role as a Protestant patron and territorial ruler in Thuringia.
• C. Johann, Duke of Saxony
  Johann, Duke of Saxony was a 15th–16th century Wettin prince who later became Elector of Saxony and played a key role in supporting the Protestant Reformation in Germany.
• D. John Frederick II, Duke of Saxony
  John Frederick II, Duke of Saxony, was a 16th-century German nobleman of the Ernestine Wettin line known for his political struggles within the Holy Roman Empire and his patronage of Protestant institutions.
• E. John George IV, Elector of Saxony
  John George IV, Elector of Saxony, was a late 17th-century German prince of the House of Wettin who ruled Saxony from 1691 to 1694 and is noted for his short, scandal-marked reign and close ties to the emerging power of Brandenburg-Prussia.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.