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: [Agnes of Savoy, notableRelative, Antipope Felix V]

Target entity: Antipope Felix V
Context triple: [Agnes of Savoy, notableRelative, Antipope Felix V]

• A. Antipope Felix II
  Antipope Felix II was a 4th-century cleric installed in opposition to Pope Liberius during the Arian controversy, later regarded by the Catholic Church as an illegitimate pope.
• B. 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.
• C. 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.
• D. Antipope Paschal III
  Antipope Paschal III was a 12th-century claimant to the papacy, supported by the Holy Roman Emperor Frederick Barbarossa in opposition to the legitimate Pope Alexander III.
• E. Antipope Clement III
  Antipope Clement III, originally Guibert of Ravenna, was a rival claimant to the papacy during the Investiture Controversy, backed by Holy Roman Emperor Henry IV against the legitimate popes of his time.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.