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: antipope Felix V | Statement: [Margaret of Savoy, fatherTitle, antipope Felix V]

Target entity: antipope Felix V
Context triple: [Margaret of Savoy, fatherTitle, antipope Felix V]

• A. antipope Felix V chosen
  Antipope Felix V was the last historical antipope, a 15th-century Duke of Savoy who was elected by the Council of Basel in opposition to Pope Eugene IV.
• B. Antipope Victor IV
  Antipope Victor IV was a 12th-century claimant to the papacy, backed by Holy Roman Emperor Frederick I Barbarossa in opposition to the legitimate Pope Alexander III during a major schism in the Catholic Church.
• C. John XXIII (antipope)
  John XXIII (antipope) was a rival claimant to the papacy during the Western Schism, recognized by the Pisan obedience but later deposed by the Council of Constance.
• D. Clement VII (Avignon antipope)
  Clement VII (Avignon antipope) was a 14th-century French cardinal who became the first major Avignon claimant to the papacy during the Western Schism, opposing the Roman popes and deepening the split within the Catholic Church.
• E. Pope Marcellus II
  Pope Marcellus II was a mid-16th-century pontiff whose extremely brief papacy in 1555 is remembered for his reputation for reform and personal integrity during the era of the Counter-Reformation.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.