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: [Duke of Aquitaine, heldBy, William IX, Duke of Aquitaine]

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

• A. Duke of Aquitaine chosen
  The Duke of Aquitaine was a powerful medieval noble title associated with rulership over the rich and strategically important region of Aquitaine in southwestern France, often held by English kings during the High Middle Ages.
• B. Gaston de Blondeville
  Gaston de Blondeville is a historical Gothic romance novel by Ann Radcliffe, set in medieval England and blending chivalric adventure with supernatural elements.
• C. Duke of Brittany
  The Duke of Brittany was the sovereign or semi-sovereign ruler of the historic region of Brittany in northwestern France, holding a ducal title central to the area's medieval political and cultural identity.
• D. Louis de Bourbon, Count of Vermandois
  Louis de Bourbon, Count of Vermandois was the legitimized son of King Louis XIV of France and Louise de La Vallière, who held a prominent noble title before dying young during the late 17th century.
• E. Count of Anjou
  The Count of Anjou was a powerful medieval French noble title associated with the influential Angevin dynasty, whose holders, including future kings of England, controlled key territories in western France.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.