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: Duchy of Gascony | Statement: [William IX, Duke of Aquitaine, regionRuled, Duchy of Gascony]

Target entity: Duchy of Gascony
Context triple: [William IX, Duke of Aquitaine, regionRuled, Duchy of Gascony]

• A. Duchy of Gascony chosen
  The Duchy of Gascony was a medieval political territory in southwestern France, historically significant as a frontier duchy between the Frankish and Iberian worlds and later closely tied to the English crown.
• B. Duchy of Aquitaine
  The Duchy of Aquitaine was a powerful medieval principality in southwestern France, renowned for its wealth, culture, and strategic importance in the politics of both France and England.
• C. Duchy of Anjou
  The Duchy of Anjou was a historic French fief and political territory in western France that played a significant role in medieval and early modern European dynastic politics.
• D. Duchy of Brittany
  The Duchy of Brittany was a historic feudal state in northwestern France, known for its distinct Breton culture, relative political autonomy, and strategic position along the Atlantic coast during the Middle Ages.
• E. Duchy of Mayenne
  The Duchy of Mayenne was a French noble territory and title centered on the town of Mayenne, historically associated with powerful aristocratic families involved in the politics and conflicts of the French kingdom.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.