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: Emperor Otto IV of Brunswick | Statement: [Hohenstaufen–Plantagenet dynastic alliance, participant, Emperor Otto IV of Brunswick]

Target entity: Emperor Otto IV of Brunswick
Context triple: [Hohenstaufen–Plantagenet dynastic alliance, participant, Emperor Otto IV of Brunswick]

• A. Otto IV, Holy Roman Emperor chosen
  Otto IV, Holy Roman Emperor, was a Welf dynasty ruler who reigned as King of the Romans and Holy Roman Emperor in the early 13th century and was a central figure in the empire’s power struggle with the Hohenstaufen dynasty and the papacy.
• B. Otto III, Duke of Swabia
  Otto III, Duke of Swabia was an 11th-century German nobleman of the Salian dynasty who held the ducal title in the important duchy of Swabia within the Holy Roman Empire.
• C. Conrad IV of Germany
  Conrad IV of Germany was a 13th-century King of Germany and King of Sicily from the Hohenstaufen dynasty, whose contested reign was marked by conflicts with the papacy and rival claimants to the throne.
• D. Conrad III of Germany
  Conrad III of Germany was a 12th-century King of Germany and the first Hohenstaufen ruler, known for his role in the Second Crusade and his conflicts with the Welf dynasty.
• E. Otto III, Holy Roman Emperor
  Otto III, Holy Roman Emperor, was a late 10th-century ruler known for his ambitious vision of a revived Roman Empire centered in Rome and his close alliance with the papacy.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.