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: Rudolf of Rheinfelden | Statement: [Adelaide of Rheinfelden, relative, Rudolf of Rheinfelden]

Target entity: Rudolf of Rheinfelden
Context triple: [Adelaide of Rheinfelden, relative, Rudolf of Rheinfelden]

• A. Rudolf of Rheinfelden chosen
  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.
• B. Otto of Rheinfelden
  Otto of Rheinfelden was an 11th-century German nobleman and duke, notable as the son of anti-king Rudolf of Rheinfelden during the Investiture Controversy in the Holy Roman Empire.
• C. Rudolf IV of Nidau
  Rudolf IV of Nidau was a medieval nobleman from the House of Nidau who ruled the principality of Neuchâtel in what is now western Switzerland.
• D. Rudolf I of Upper Burgundy
  Rudolf I of Upper Burgundy was a late 9th-century Frankish noble who became the first king of Upper Burgundy, founding the Kingdom of Upper Burgundy and the Elder House of Welf’s royal line there.
• E. Hermann of Carinthia
  Hermann of Carinthia was a 12th-century philosopher, astronomer, and translator noted for rendering key Arabic scientific and philosophical works into Latin, helping transmit Islamic and ancient Greek knowledge to medieval Europe.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.