Alexander V (antipope)

Target entity: Alexander V (antipope)
Context triple: [John XXIII (antipope), predecessor, Alexander V (antipope)]

• A. 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.
• B. antipope Felix V
  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 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.
• D. Antipope Anacletus II
  Antipope Anacletus II was a 12th-century Roman nobleman who, in a major schism, claimed the papacy in opposition to Pope Innocent II and was backed by powerful Italian factions.
• E. 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.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: Alexander V (antipope)
Target entity description: Alexander V was a 15th-century antipope elected at the Council of Pisa during the Western Schism in an attempt to end the papal split between Rome and Avignon.

• A. 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.
• B. antipope Felix V
  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 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.
• D. Antipope Anacletus II
  Antipope Anacletus II was a 12th-century Roman nobleman who, in a major schism, claimed the papacy in opposition to Pope Innocent II and was backed by powerful Italian factions.
• E. 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.
• F. None of above. chosen