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 IX, Duke of Aquitaine | Statement: [William X, Duke of Aquitaine, father, William IX, Duke of Aquitaine]

Target entity: William IX, Duke of Aquitaine
Context triple: [William X, Duke of Aquitaine, father, William IX, Duke of Aquitaine]

• A. William IX, Duke of Aquitaine chosen
  William IX, Duke of Aquitaine was an 11th–12th century French nobleman famed both as a powerful feudal ruler and as one of the earliest known troubadour poets in the Occitan language.
• B. William IX, Count of Poitiers
  William IX, Count of Poitiers was the eldest son and heir of Eleanor of Aquitaine and King Louis VII of France, whose early death in childhood altered the succession of the Angevin and Aquitanian realms.
• C. William I, Duke of Aquitaine
  William I, Duke of Aquitaine was a powerful 10th-century French nobleman and military leader renowned for his pivotal role in monastic reform and support of the Church.
• D. William VI of Aquitaine
  William VI of Aquitaine was an early 11th-century duke who ruled the Duchy of Aquitaine and County of Poitou, navigating regional conflicts and succession disputes in southwestern France.
• E. William VII of Aquitaine
  William VII of Aquitaine was an 11th-century duke and nobleman who ruled the Duchy of Aquitaine and played a significant role in the politics of medieval southwestern France.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.