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: Frederick II, Duke of Swabia | Statement: [Barbarossa, father, Frederick II, Duke of Swabia]

Target entity: Frederick II, Duke of Swabia
Context triple: [Barbarossa, father, Frederick II, Duke of Swabia]

• A. Frederick II, Duke of Swabia chosen
  Frederick II, Duke of Swabia was a 12th-century German nobleman of the Hohenstaufen dynasty and son of Emperor Frederick I Barbarossa, who held one of the key ducal titles within the Holy Roman Empire.
• B. Frederick I, Duke of Swabia
  Frederick I, Duke of Swabia, was a powerful 11th–12th century German noble who became the first Hohenstaufen duke of Swabia and progenitor of the influential Hohenstaufen royal and imperial line.
• C. Philip of Swabia
  Philip of Swabia was a German king and member of the Hohenstaufen dynasty whose contested election and assassination marked a turbulent phase in the Holy Roman Empire’s history.
• D. Berthold II, Duke of Swabia
  Berthold II, Duke of Swabia, was an 11th-century German nobleman and prominent supporter of the Gregorian Reform who played a key role in the power struggles of the Holy Roman Empire during the Investiture Controversy.
• E. Heinrich (VII.) von Hohenstaufen
  Heinrich (VII.) von Hohenstaufen was a 13th-century King of Germany from the Hohenstaufen dynasty, the son of Emperor Frederick II, whose turbulent reign was marked by conflicts with both his father and the German princes.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.