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 Aquitaine | Statement: [Adela of Normandy, child, William IV, Duke of Aquitaine]

Target entity: William IV, Duke of Aquitaine
Context triple: [Adela of Normandy, child, William IV, Duke of Aquitaine]

• A. William IV, Duke of Aquitaine chosen
  William IV, Duke of Aquitaine, was a 10th-century French nobleman who ruled the Duchy of Aquitaine and County of Poitou and was known for his conflicts with both neighboring lords and the Church.
• B. William III, Duke of Aquitaine
  William III, Duke of Aquitaine was a 10th-century Frankish nobleman who ruled Aquitaine and Poitou and played a significant role in the politics of early medieval France.
• C. William X, Duke of Aquitaine
  William X, Duke of Aquitaine was a 12th-century French nobleman and crusader, notable as the last independent Duke of Aquitaine and father of Eleanor of Aquitaine.
• D. Henri, Duke of Bordeaux
  Henri, Duke of Bordeaux was a French Bourbon prince and Legitimist pretender to the French throne, known as the Count of Chambord and considered by supporters to be King Henry V.
• E. Duke of Elbeuf
  The Duke of Elbeuf was a French noble title held by a cadet branch of the House of Lorraine, associated with high-ranking aristocrats active in French court and military affairs from the 16th to the 18th centuries.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.