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 V, Duke of Swabia | Statement: [Frederick I Barbarossa, child, Frederick V, Duke of Swabia]

Target entity: Frederick V, Duke of Swabia
Context triple: [Frederick I Barbarossa, child, Frederick V, 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. Frederick III, Holy Roman Emperor
  Frederick III, Holy Roman Emperor, was a 15th-century Habsburg ruler who consolidated his dynasty’s power and laid the foundations for its long-term dominance in Central Europe.
• D. Friedrich III
  Friedrich III, better known as Frederick the Wise, was the Elector of Saxony who became a key protector of Martin Luther and an important early supporter of the Protestant Reformation.
• E. Rudolf of Rheinfelden
  Rudolf of Rheinfelden was an 11th-century Duke of Swabia who became a leading rival king to Henry IV of Germany and a central figure in the power struggle between the papacy and the Holy Roman Empire.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.